12976175820 has 96 divisors (see below), whose sum is σ = 38519566848. Its totient is φ = 3252616192.

The previous prime is 12976175801. The next prime is 12976175843. The reversal of 12976175820 is 2857167921.

It is a super-2 number, since 2×12976175820² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12976175820.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 835849 + ... + 851231.

It is an arithmetic number, because the mean of its divisors is an integer number (401245488).

Almost surely, 2^12976175820 is an apocalyptic number.

12976175820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12976175820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19259783424).

12976175820 is an abundant number, since it is smaller than the sum of its proper divisors (25543391028).

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

12976175820 is a wasteful number, since it uses less digits than its factorization.

12976175820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16239 (or 16237 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 48.

The spelling of 12976175820 in words is "twelve billion, nine hundred seventy-six million, one hundred seventy-five thousand, eight hundred twenty".