12679565950 has 24 divisors (see below), whose sum is σ = 23622273792. Its totient is φ = 5063593920.

The previous prime is 12679565939. The next prime is 12679565959. The reversal of 12679565950 is 5956597621.

It is a junction number, because it is equal to n+sod(n) for n = 12679565891 and 12679565900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12679565959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174654 + ... + 236353.

It is an arithmetic number, because the mean of its divisors is an integer number (984261408).

Almost surely, 2^12679565950 is an apocalyptic number.

12679565950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12679565950 is a deficient number, since it is larger than the sum of its proper divisors (10942707842).

12679565950 is a wasteful number, since it uses less digits than its factorization.

12679565950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411636 (or 411631 counting only the distinct ones).

The product of its (nonzero) digits is 5103000, while the sum is 55.

The spelling of 12679565950 in words is "twelve billion, six hundred seventy-nine million, five hundred sixty-five thousand, nine hundred fifty".