12800450922144 has 24 divisors (see below), whose sum is σ = 33601183670880. Its totient is φ = 4266816974016.

The previous prime is 12800450922139. The next prime is 12800450922179. The reversal of 12800450922144 is 44122905400821.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 12800450922096 and 12800450922105.

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, 66669015124 + ... + 66669015315.

It is an arithmetic number, because the mean of its divisors is an integer number (1400049319620).

Almost surely, 2^{12800450922144} is an apocalyptic number.

It is an amenable number.

12800450922144 is an abundant number, since it is smaller than the sum of its proper divisors (20800732748736).

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

12800450922144 is a wasteful number, since it uses less digits than its factorization.

12800450922144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133338030452 (or 133338030444 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 12800450922144 in words is "twelve trillion, eight hundred billion, four hundred fifty million, nine hundred twenty-two thousand, one hundred forty-four".