12527638900 has 54 divisors (see below), whose sum is σ = 31623352278. Its totient is φ = 4295188800.

The previous prime is 12527638897. The next prime is 12527638901. The reversal of 12527638900 is 983672521.

It can be written as a sum of positive squares in 3 ways, for example, as 3285123856 + 9242515044 = 57316^2 + 96138^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12527638901) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1273431 + ... + 1283230.

Almost surely, 2^12527638900 is an apocalyptic number.

12527638900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12527638900 is an abundant number, since it is smaller than the sum of its proper divisors (19095713378).

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

12527638900 is a wasteful number, since it uses less digits than its factorization.

12527638900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556689 (or 2556675 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 12527638900 in words is "twelve billion, five hundred twenty-seven million, six hundred thirty-eight thousand, nine hundred".