128210112222 has 16 divisors (see below), whose sum is σ = 256468861440. Its totient is φ = 42728597912.

The previous prime is 128210112167. The next prime is 128210112311. The reversal of 128210112222 is 222211012821.

It is a junction number, because it is equal to n+sod(n) for n = 128210112192 and 128210112201.

It is a congruent number.

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, 1992228 + ... + 2055575.

It is an arithmetic number, because the mean of its divisors is an integer number (16029303840).

Almost surely, 2^128210112222 is an apocalyptic number.

128210112222 is an abundant number, since it is smaller than the sum of its proper divisors (128258749218).

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

128210112222 is a wasteful number, since it uses less digits than its factorization.

128210112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4053087.

The product of its (nonzero) digits is 512, while the sum is 24.

The spelling of 128210112222 in words is "one hundred twenty-eight billion, two hundred ten million, one hundred twelve thousand, two hundred twenty-two".