112011111972 has 36 divisors (see below), whose sum is σ = 285888133440. Its totient is φ = 36974540592.

The previous prime is 112011111959. The next prime is 112011111991. The reversal of 112011111972 is 279111110211.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15100272 + ... + 15107687.

It is an arithmetic number, because the mean of its divisors is an integer number (7941337040).

Almost surely, 2^112011111972 is an apocalyptic number.

112011111972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112011111972 is an abundant number, since it is smaller than the sum of its proper divisors (173877021468).

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

112011111972 is a wasteful number, since it uses less digits than its factorization.

112011111972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30208072 (or 30208067 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 27.

The spelling of 112011111972 in words is "one hundred twelve billion, eleven million, one hundred eleven thousand, nine hundred seventy-two".