128859022122 has 16 divisors (see below), whose sum is σ = 257722092480. Its totient is φ = 42952332672.

The previous prime is 128859022081. The next prime is 128859022133. The reversal of 128859022122 is 221220958821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384858 + ... + 637050.

It is an arithmetic number, because the mean of its divisors is an integer number (16107630780).

Almost surely, 2^128859022122 is an apocalyptic number.

128859022122 is an abundant number, since it is smaller than the sum of its proper divisors (128863070358).

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

128859022122 is a wasteful number, since it uses less digits than its factorization.

128859022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337357.

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 128859022122 in words is "one hundred twenty-eight billion, eight hundred fifty-nine million, twenty-two thousand, one hundred twenty-two".