12800107776 has 36 divisors (see below), whose sum is σ = 34066955552. Its totient is φ = 4266702336.

The previous prime is 12800107759. The next prime is 12800107787. The reversal of 12800107776 is 67770100821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8332636 + ... + 8334171.

Almost surely, 2^12800107776 is an apocalyptic number.

12800107776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12800107776 is an abundant number, since it is smaller than the sum of its proper divisors (21266847776).

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

12800107776 is an equidigital number, since it uses as much as digits as its factorization.

12800107776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16666826 (or 16666812 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 39.

The spelling of 12800107776 in words is "twelve billion, eight hundred million, one hundred seven thousand, seven hundred seventy-six".