12637650140 has 24 divisors (see below), whose sum is σ = 26988882480. Its totient is φ = 4969380608.

The previous prime is 12637650133. The next prime is 12637650143. The reversal of 12637650140 is 4105673621.

It is a super-2 number, since 2×12637650140² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12637650140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12637650143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5353757 + ... + 5356116.

It is an arithmetic number, because the mean of its divisors is an integer number (1124536770).

Almost surely, 2^12637650140 is an apocalyptic number.

12637650140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12637650140 is an abundant number, since it is smaller than the sum of its proper divisors (14351232340).

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

12637650140 is a wasteful number, since it uses less digits than its factorization.

12637650140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10709941 (or 10709939 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 12637650140 in words is "twelve billion, six hundred thirty-seven million, six hundred fifty thousand, one hundred forty".