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12210120112 = 242772754991
BaseRepresentation
bin10110101111100011…
…11010010110110000
31011111221111100221211
423113301322112300
5200001242320422
65335333125504
7611402210551
oct132761722660
934457440854
1012210120112
1151a6326a63
122449189894
1311c7853258
1483b8b6328
154b6e28577
hex2d7c7a5b0

12210120112 has 20 divisors (see below), whose sum is σ = 23742521056. Its totient is φ = 6083017920.

The previous prime is 12210120107. The next prime is 12210120113. The reversal of 12210120112 is 21102101221.

It is a junction number, because it is equal to n+sod(n) for n = 12210120092 and 12210120101.

It is not an unprimeable number, because it can be changed into a prime (12210120113) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1373064 + ... + 1381927.

Almost surely, 212210120112 is an apocalyptic number.

It is an amenable number.

12210120112 is a deficient number, since it is larger than the sum of its proper divisors (11532400944).

12210120112 is a wasteful number, since it uses less digits than its factorization.

12210120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755276 (or 2755270 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12210120112 its reverse (21102101221), we get a palindrome (33312221333).

The spelling of 12210120112 in words is "twelve billion, two hundred ten million, one hundred twenty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 277 554 1108 2216 4432 2754991 5509982 11019964 22039928 44079856 763132507 1526265014 3052530028 6105060056 12210120112