12686022960 has 80 divisors (see below), whose sum is σ = 42351810144. Its totient is φ = 3122712576.

The previous prime is 12686022959. The next prime is 12686022967. The reversal of 12686022960 is 6922068621.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12686022967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2029897 + ... + 2036136.

Almost surely, 2^12686022960 is an apocalyptic number.

12686022960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12686022960 is an abundant number, since it is smaller than the sum of its proper divisors (29665787184).

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

12686022960 is a wasteful number, since it uses less digits than its factorization.

12686022960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4066062 (or 4066056 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 12686022960 in words is "twelve billion, six hundred eighty-six million, twenty-two thousand, nine hundred sixty".