12512944632 has 32 divisors (see below), whose sum is σ = 31321659600. Its totient is φ = 4165741824.

The previous prime is 12512944601. The next prime is 12512944657. The reversal of 12512944632 is 23644921521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307957 + ... + 346212.

Almost surely, 2^12512944632 is an apocalyptic number.

12512944632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12512944632 is an abundant number, since it is smaller than the sum of its proper divisors (18808714968).

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

12512944632 is a wasteful number, since it uses less digits than its factorization.

12512944632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654975 (or 654971 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The spelling of 12512944632 in words is "twelve billion, five hundred twelve million, nine hundred forty-four thousand, six hundred thirty-two".