32012111992 has 48 divisors (see below), whose sum is σ = 71709458760. Its totient is φ = 13348673856.

The previous prime is 32012111951. The next prime is 32012111993. The reversal of 32012111992 is 29911121023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32012111993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1089058 + ... + 1118065.

Almost surely, 2^32012111992 is an apocalyptic number.

It is an amenable number.

32012111992 is an abundant number, since it is smaller than the sum of its proper divisors (39697346768).

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

32012111992 is a wasteful number, since it uses less digits than its factorization.

32012111992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207180 (or 2207169 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 31.

The spelling of 32012111992 in words is "thirty-two billion, twelve million, one hundred eleven thousand, nine hundred ninety-two".