12529508136 has 32 divisors (see below), whose sum is σ = 31633912800. Its totient is φ = 4135150400.

The previous prime is 12529508099. The next prime is 12529508171. The reversal of 12529508136 is 63180592521.

12529508136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×12529508136⁴ (a number of 41 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2582046 + ... + 2586893.

It is an arithmetic number, because the mean of its divisors is an integer number (988559775).

Almost surely, 2^12529508136 is an apocalyptic number.

It is an amenable number.

12529508136 is an abundant number, since it is smaller than the sum of its proper divisors (19104404664).

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

12529508136 is a wasteful number, since it uses less digits than its factorization.

12529508136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5169049 (or 5169045 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 12529508136 in words is "twelve billion, five hundred twenty-nine million, five hundred eight thousand, one hundred thirty-six".