12641156332 has 24 divisors (see below), whose sum is σ = 25311999776. Its totient is φ = 5411276928.

The previous prime is 12641156329. The next prime is 12641156357. The reversal of 12641156332 is 23365114621.

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, 240753 + ... + 288520.

Almost surely, 2^12641156332 is an apocalyptic number.

It is an amenable number.

12641156332 is an abundant number, since it is smaller than the sum of its proper divisors (12670843444).

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

12641156332 is a wasteful number, since it uses less digits than its factorization.

12641156332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530137 (or 530135 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The spelling of 12641156332 in words is "twelve billion, six hundred forty-one million, one hundred fifty-six thousand, three hundred thirty-two".