12529139559870 has 32 divisors (see below), whose sum is σ = 30882635890848. Its totient is φ = 3250803777408.

The previous prime is 12529139559799. The next prime is 12529139559887. The reversal of 12529139559870 is 7895593192521.

It is a super-2 number, since 2×12529139559870² (a number of 27 digits) contains 22 as substring.

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, 5643755449 + ... + 5643757668.

It is an arithmetic number, because the mean of its divisors is an integer number (965082371589).

Almost surely, 2^{12529139559870} is an apocalyptic number.

12529139559870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12529139559870 is an abundant number, since it is smaller than the sum of its proper divisors (18353496330978).

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

12529139559870 is a wasteful number, since it uses less digits than its factorization.

12529139559870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11287513164.

The product of its (nonzero) digits is 61236000, while the sum is 66.

The spelling of 12529139559870 in words is "twelve trillion, five hundred twenty-nine billion, one hundred thirty-nine million, five hundred fifty-nine thousand, eight hundred seventy".