12637631950 has 12 divisors (see below), whose sum is σ = 23505995520. Its totient is φ = 5055052760.

The previous prime is 12637631939. The next prime is 12637631983. The reversal of 12637631950 is 5913673621.

It is a junction number, because it is equal to n+sod(n) for n = 12637631897 and 12637631906.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126376270 + ... + 126376369.

It is an arithmetic number, because the mean of its divisors is an integer number (1958832960).

Almost surely, 2^12637631950 is an apocalyptic number.

12637631950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12637631950 is a deficient number, since it is larger than the sum of its proper divisors (10868363570).

12637631950 is a wasteful number, since it uses less digits than its factorization.

12637631950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252752651 (or 252752646 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 43.

The spelling of 12637631950 in words is "twelve billion, six hundred thirty-seven million, six hundred thirty-one thousand, nine hundred fifty".