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20000212021012 = 221910132087124477
BaseRepresentation
bin1001000110000101010011…
…00010000110111100010100
32121211000001011102021210211
410203002221202012330110
510110140413234133022
6110311545350255204
74132652620123636
oct443025142067424
977730034367724
1020000212021012
116411051310613
1222b0212657504
13b210201b9762
144d203048ca56
1524a3b87b6e77
hex1230a9886f14

20000212021012 has 48 divisors (see below), whose sum is σ = 36896832685440. Its totient is φ = 9459821492352.

The previous prime is 20000212020977. The next prime is 20000212021021. The reversal of 20000212021012 is 21012021200002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20000212020983 and 20000212021001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160611718 + ... + 160736194.

It is an arithmetic number, because the mean of its divisors is an integer number (768684014280).

Almost surely, 220000212021012 is an apocalyptic number.

It is an amenable number.

20000212021012 is a deficient number, since it is larger than the sum of its proper divisors (16896620664428).

20000212021012 is a wasteful number, since it uses less digits than its factorization.

20000212021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127600 (or 127598 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20000212021012 its reverse (21012021200002), we get a palindrome (41012233221014).

The spelling of 20000212021012 in words is "twenty trillion, two hundred twelve million, twenty-one thousand, twelve".

Divisors: 1 2 4 19 38 76 1013 2026 2087 4052 4174 8348 19247 38494 39653 76988 79306 124477 158612 248954 497908 2114131 2365063 4228262 4730126 8456524 9460252 40168489 80336978 126095201 160673956 252190402 259783499 504380804 519566998 1039133996 2395808819 4791617638 4935886481 9583235276 9871772962 19743545924 263160684487 526321368974 1052642737948 5000053005253 10000106010506 20000212021012