12686871207620 has 96 divisors (see below), whose sum is σ = 26977729363200. Its totient is φ = 5011323609600.

The previous prime is 12686871207611. The next prime is 12686871207649. The reversal of 12686871207620 is 2670217868621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 759730031 + ... + 759746729.

It is an arithmetic number, because the mean of its divisors is an integer number (281018014200).

Almost surely, 2^{12686871207620} is an apocalyptic number.

12686871207620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12686871207620 is an abundant number, since it is smaller than the sum of its proper divisors (14290858155580).

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

12686871207620 is a wasteful number, since it uses less digits than its factorization.

12686871207620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18333 (or 18331 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 56.

The spelling of 12686871207620 in words is "twelve trillion, six hundred eighty-six billion, eight hundred seventy-one million, two hundred seven thousand, six hundred twenty".