12637401250 has 20 divisors (see below), whose sum is σ = 23687547246. Its totient is φ = 5054960000.

The previous prime is 12637401241. The next prime is 12637401251. The reversal of 12637401250 is 5210473621.

It can be written as a sum of positive squares in 5 ways, for example, as 55965361 + 12581435889 = 7481^2 + 112167^2 .

It is not an unprimeable number, because it can be changed into a prime (12637401251) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5053711 + ... + 5056210.

Almost surely, 2^12637401250 is an apocalyptic number.

12637401250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12637401250 is a deficient number, since it is larger than the sum of its proper divisors (11050145996).

12637401250 is an equidigital number, since it uses as much as digits as its factorization.

12637401250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10109943 (or 10109928 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

Adding to 12637401250 its reverse (5210473621), we get a palindrome (17847874871).

The spelling of 12637401250 in words is "twelve billion, six hundred thirty-seven million, four hundred one thousand, two hundred fifty".