12544350900 has 72 divisors (see below), whose sum is σ = 36467186784. Its totient is φ = 3329289600.

The previous prime is 12544350899. The next prime is 12544350937. The reversal of 12544350900 is 905344521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35787 + ... + 162386.

Almost surely, 2^12544350900 is an apocalyptic number.

12544350900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12544350900 is an abundant number, since it is smaller than the sum of its proper divisors (23922835884).

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

12544350900 is a wasteful number, since it uses less digits than its factorization.

12544350900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198401 (or 198394 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 12544350900 in words is "twelve billion, five hundred forty-four million, three hundred fifty thousand, nine hundred".