12111032032 has 24 divisors (see below), whose sum is σ = 26011194552. Its totient is φ = 5505014400.

The previous prime is 12111031991. The next prime is 12111032069. The reversal of 12111032032 is 23023011121.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12111031997 and 12111032015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17202819 + ... + 17203522.

It is an arithmetic number, because the mean of its divisors is an integer number (1083799773).

Almost surely, 2^12111032032 is an apocalyptic number.

It is an amenable number.

12111032032 is an abundant number, since it is smaller than the sum of its proper divisors (13900162520).

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

12111032032 is a wasteful number, since it uses less digits than its factorization.

12111032032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34406362 (or 34406354 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12111032032 its reverse (23023011121), we get a palindrome (35134043153).

The spelling of 12111032032 in words is "twelve billion, one hundred eleven million, thirty-two thousand, thirty-two".