12512150136 has 64 divisors (see below), whose sum is σ = 34766726400. Its totient is φ = 4169426400.

The previous prime is 12512150087. The next prime is 12512150153. The reversal of 12512150136 is 63105121521.

12512150136 is a `hidden beast` number, since 1 + 2 + 5 + 121 + 501 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 907051 + ... + 920741.

It is an arithmetic number, because the mean of its divisors is an integer number (543230100).

Almost surely, 2^12512150136 is an apocalyptic number.

It is an amenable number.

12512150136 is an abundant number, since it is smaller than the sum of its proper divisors (22254576264).

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

12512150136 is a wasteful number, since it uses less digits than its factorization.

12512150136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17937 (or 17927 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

Adding to 12512150136 its reverse (63105121521), we get a palindrome (75617271657).

The spelling of 12512150136 in words is "twelve billion, five hundred twelve million, one hundred fifty thousand, one hundred thirty-six".