12668877960 has 32 divisors (see below), whose sum is σ = 38006634240. Its totient is φ = 3378367424.

The previous prime is 12668877941. The next prime is 12668878037. The reversal of 12668877960 is 6977886621.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 12668877894 and 12668877903.

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 7 ways as a sum of consecutive naturals, for example, 52786872 + ... + 52787111.

It is an arithmetic number, because the mean of its divisors is an integer number (1187707320).

Almost surely, 2^12668877960 is an apocalyptic number.

12668877960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12668877960 is an abundant number, since it is smaller than the sum of its proper divisors (25337756280).

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

12668877960 is a wasteful number, since it uses less digits than its factorization.

12668877960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105573997 (or 105573993 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 60.

The spelling of 12668877960 in words is "twelve billion, six hundred sixty-eight million, eight hundred seventy-seven thousand, nine hundred sixty".