12710578105820 has 36 divisors (see below), whose sum is σ = 31050126518040. Its totient is φ = 4357912493088.

The previous prime is 12710578105807. The next prime is 12710578105877. The reversal of 12710578105820 is 2850187501721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6484987850 + ... + 6484989809.

It is an arithmetic number, because the mean of its divisors is an integer number (862503514390).

Almost surely, 2^{12710578105820} is an apocalyptic number.

12710578105820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12710578105820 is an abundant number, since it is smaller than the sum of its proper divisors (18339548412220).

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

12710578105820 is a wasteful number, since it uses less digits than its factorization.

12710578105820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12969977682 (or 12969977673 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 47.

The spelling of 12710578105820 in words is "twelve trillion, seven hundred ten billion, five hundred seventy-eight million, one hundred five thousand, eight hundred twenty".