12013554232 has 32 divisors (see below), whose sum is σ = 24099685200. Its totient is φ = 5597337600.

The previous prime is 12013554227. The next prime is 12013554323. The reversal of 12013554232 is 23245531021.

It is a self number, because there is not a number n which added to its sum of digits gives 12013554232.

It is a congruent number.

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, 638569 + ... + 657112.

Almost surely, 2^12013554232 is an apocalyptic number.

It is an amenable number.

12013554232 is an abundant number, since it is smaller than the sum of its proper divisors (12086130968).

12013554232 is a wasteful number, since it uses less digits than its factorization.

12013554232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295767 (or 1295763 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 12013554232 in words is "twelve billion, thirteen million, five hundred fifty-four thousand, two hundred thirty-two".