12800450922100 has 72 divisors (see below), whose sum is σ = 29849887609920. Its totient is φ = 4747067973120.

The previous prime is 12800450922047. The next prime is 12800450922139. The reversal of 12800450922100 is 122905400821.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56077720 + ... + 56305519.

It is an arithmetic number, because the mean of its divisors is an integer number (414581772360).

Almost surely, 2^{12800450922100} is an apocalyptic number.

12800450922100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12800450922100 is an abundant number, since it is smaller than the sum of its proper divisors (17049436687820).

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

12800450922100 is a wasteful number, since it uses less digits than its factorization.

12800450922100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112383337 (or 112383330 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 12800450922100 in words is "twelve trillion, eight hundred billion, four hundred fifty million, nine hundred twenty-two thousand, one hundred".