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10112231212120 = 2357125715718819
BaseRepresentation
bin1001001100100110111111…
…1100110000010001011000
31022210201102210001112211101
42103021233330300101120
52311134322142241440
633301254521241144
72062404342041332
oct223115774602130
938721383045741
1010112231212120
113249633991894
1211739999331b4
1358476b99468b
1426d612796452
15128097d7069a
hex9326ff30458

10112231212120 has 128 divisors (see below), whose sum is σ = 23180128473600. Its totient is φ = 3969426227200.

The previous prime is 10112231212033. The next prime is 10112231212121. The reversal of 10112231212120 is 2121213221101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10112231212121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1146637071 + ... + 1146645889.

It is an arithmetic number, because the mean of its divisors is an integer number (181094753700).

Almost surely, 210112231212120 is an apocalyptic number.

10112231212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10112231212120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11590064236800).

10112231212120 is an abundant number, since it is smaller than the sum of its proper divisors (13067897261480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10112231212120 is a wasteful number, since it uses less digits than its factorization.

10112231212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10729 (or 10725 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 10112231212120 its reverse (2121213221101), we get a palindrome (12233444433221).

The spelling of 10112231212120 in words is "ten trillion, one hundred twelve billion, two hundred thirty-one million, two hundred twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 71 142 257 284 355 514 568 710 1028 1285 1420 1571 2056 2570 2840 3142 5140 6284 7855 8819 10280 12568 15710 17638 18247 31420 35276 36494 44095 62840 70552 72988 88190 91235 111541 145976 176380 182470 223082 352760 364940 403747 446164 557705 626149 729880 807494 892328 1115410 1252298 1614988 2018735 2230820 2266483 2504596 3130745 3229976 4037470 4461640 4532966 5009192 6261490 8074940 9065932 11332415 12522980 13854649 16149880 18131864 22664830 25045960 27709298 28666037 45329660 55418596 57332074 69273245 90659320 110837192 114664148 138546490 143330185 160920293 229328296 277092980 286660370 321840586 554185960 573320740 643681172 804601465 983680079 1146641480 1287362344 1609202930 1967360158 3218405860 3560644793 3934720316 4918400395 6436811720 7121289586 7869440632 9836800790 14242579172 17803223965 19673601580 28485158344 35606447930 39347203160 71212895860 142425791720 252805780303 505611560606 1011223121212 1264028901515 2022446242424 2528057803030 5056115606060 10112231212120