12536701836 has 12 divisors (see below), whose sum is σ = 29252304312. Its totient is φ = 4178900608.

The previous prime is 12536701813. The next prime is 12536701871. The reversal of 12536701836 is 63810763521.

It is a tau number, because it is divible by the number of its divisors (12).

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, 522362565 + ... + 522362588.

It is an arithmetic number, because the mean of its divisors is an integer number (2437692026).

Almost surely, 2^12536701836 is an apocalyptic number.

It is an amenable number.

12536701836 is an abundant number, since it is smaller than the sum of its proper divisors (16715602476).

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

12536701836 is a wasteful number, since it uses less digits than its factorization.

12536701836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044725160 (or 1044725158 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 12536701836 in words is "twelve billion, five hundred thirty-six million, seven hundred one thousand, eight hundred thirty-six".