112012102120 has 32 divisors (see below), whose sum is σ = 260717826600. Its totient is φ = 43259845888.

The previous prime is 112012102063. The next prime is 112012102157. The reversal of 112012102120 is 21201210211.

It can be written as a sum of positive squares in 4 ways, for example, as 111466505956 + 545596164 = 333866^2 + 23358^2 .

It is a super-2 number, since 2×112012102120² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112012102120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48279919 + ... + 48282238.

Almost surely, 2^112012102120 is an apocalyptic number.

112012102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112012102120 is an abundant number, since it is smaller than the sum of its proper divisors (148705724480).

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

112012102120 is a wasteful number, since it uses less digits than its factorization.

112012102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96562197 (or 96562193 counting only the distinct ones).

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

Adding to 112012102120 its reverse (21201210211), we get a palindrome (133213312331).

The spelling of 112012102120 in words is "one hundred twelve billion, twelve million, one hundred two thousand, one hundred twenty".