12712337438650 has 24 divisors (see below), whose sum is σ = 23865928464960. Its totient is φ = 5037412216560.

The previous prime is 12712337438609. The next prime is 12712337438701. The reversal of 12712337438650 is 5683473321721.

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, 1188063570 + ... + 1188074269.

It is an arithmetic number, because the mean of its divisors is an integer number (994413686040).

Almost surely, 2^{12712337438650} is an apocalyptic number.

12712337438650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12712337438650 is a deficient number, since it is larger than the sum of its proper divisors (11153591026310).

12712337438650 is a wasteful number, since it uses less digits than its factorization.

12712337438650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376137958 (or 2376137953 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 12712337438650 in words is "twelve trillion, seven hundred twelve billion, three hundred thirty-seven million, four hundred thirty-eight thousand, six hundred fifty".