12502149636 has 12 divisors (see below), whose sum is σ = 29171682512. Its totient is φ = 4167383208.

The previous prime is 12502149631. The next prime is 12502149659. The reversal of 12502149636 is 63694120521.

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

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12502149594 and 12502149603.

It is not an unprimeable number, because it can be changed into a prime (12502149631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520922890 + ... + 520922913.

Almost surely, 2^12502149636 is an apocalyptic number.

It is an amenable number.

12502149636 is an abundant number, since it is smaller than the sum of its proper divisors (16669532876).

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

12502149636 is a wasteful number, since it uses less digits than its factorization.

12502149636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041845810 (or 1041845808 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 12502149636 in words is "twelve billion, five hundred two million, one hundred forty-nine thousand, six hundred thirty-six".