12502666136 has 16 divisors (see below), whose sum is σ = 23445744840. Its totient is φ = 6250467520.

The previous prime is 12502666097. The next prime is 12502666147. The reversal of 12502666136 is 63166620521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12502666136.

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, 44606 + ... + 164301.

Almost surely, 2^12502666136 is an apocalyptic number.

It is an amenable number.

12502666136 is a deficient number, since it is larger than the sum of its proper divisors (10943078704).

12502666136 is a wasteful number, since it uses less digits than its factorization.

12502666136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216394 (or 216390 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 12502666136 in words is "twelve billion, five hundred two million, six hundred sixty-six thousand, one hundred thirty-six".