12533365632 has 32 divisors (see below), whose sum is σ = 33291753480. Its totient is φ = 4177788416.

The previous prime is 12533365589. The next prime is 12533365679. The reversal of 12533365632 is 23656333521.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

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, 16319103 + ... + 16319870.

Almost surely, 2^12533365632 is an apocalyptic number.

12533365632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12533365632 is an abundant number, since it is smaller than the sum of its proper divisors (20758387848).

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

12533365632 is an equidigital number, since it uses as much as digits as its factorization.

12533365632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32638990 (or 32638978 counting only the distinct ones).

The product of its digits is 291600, while the sum is 39.

The spelling of 12533365632 in words is "twelve billion, five hundred thirty-three million, three hundred sixty-five thousand, six hundred thirty-two".