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12010112222222 = 238532748756701
BaseRepresentation
bin1010111011000101001001…
…1110010000010000001110
31120112011012101000012212102
42232301102132100100032
53033233202212102342
641313211442035102
72346462530332652
oct256612236202016
946464171005772
1012010112222222
113910507279054
12141b782348a92
1369171970ca2a
142d74149d4a62
1515c625a99832
hexaec5279040e

12010112222222 has 16 divisors (see below), whose sum is σ = 18020817347712. Its totient is φ = 6003173282400.

The previous prime is 12010112222203. The next prime is 12010112222363. The reversal of 12010112222222 is 22222221101021.

It is a super-2 number, since 2×120101122222222 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12010112222194 and 12010112222203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211786472 + ... + 211843172.

It is an arithmetic number, because the mean of its divisors is an integer number (1126301084232).

Almost surely, 212010112222222 is an apocalyptic number.

12010112222222 is a deficient number, since it is larger than the sum of its proper divisors (6010705125490).

12010112222222 is a wasteful number, since it uses less digits than its factorization.

12010112222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88043.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12010112222222 its reverse (22222221101021), we get a palindrome (34232333323243).

The spelling of 12010112222222 in words is "twelve trillion, ten billion, one hundred twelve million, two hundred twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 3853 7706 27487 54974 56701 113402 105907411 211814822 218468953 436937906 1558540387 3117080774 6005056111111 12010112222222