12547114644 has 48 divisors (see below), whose sum is σ = 30133349120. Its totient is φ = 4061715840.

The previous prime is 12547114597. The next prime is 12547114651. The reversal of 12547114644 is 44641174521.

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, 50659 + ... + 166314.

Almost surely, 2^12547114644 is an apocalyptic number.

It is an amenable number.

12547114644 is an abundant number, since it is smaller than the sum of its proper divisors (17586234476).

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

12547114644 is a wasteful number, since it uses less digits than its factorization.

12547114644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217120 (or 217118 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The spelling of 12547114644 in words is "twelve billion, five hundred forty-seven million, one hundred fourteen thousand, six hundred forty-four".