12632886156 has 48 divisors (see below), whose sum is σ = 33265290240. Its totient is φ = 3696141120.

The previous prime is 12632886121. The next prime is 12632886163. The reversal of 12632886156 is 65168823621.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1646236 + ... + 1653891.

It is an arithmetic number, because the mean of its divisors is an integer number (693026880).

Almost surely, 2^12632886156 is an apocalyptic number.

It is an amenable number.

12632886156 is an abundant number, since it is smaller than the sum of its proper divisors (20632404084).

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

12632886156 is a wasteful number, since it uses less digits than its factorization.

12632886156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300174 (or 3300172 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The spelling of 12632886156 in words is "twelve billion, six hundred thirty-two million, eight hundred eighty-six thousand, one hundred fifty-six".