12506532700 has 36 divisors (see below), whose sum is σ = 27186336352. Its totient is φ = 4993920000.

The previous prime is 12506532691. The next prime is 12506532713. The reversal of 12506532700 is 723560521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50676 + ... + 166075.

Almost surely, 2^12506532700 is an apocalyptic number.

12506532700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12506532700 is an abundant number, since it is smaller than the sum of its proper divisors (14679803652).

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

12506532700 is a wasteful number, since it uses less digits than its factorization.

12506532700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217342 (or 217335 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The spelling of 12506532700 in words is "twelve billion, five hundred six million, five hundred thirty-two thousand, seven hundred".