212002375128 has 32 divisors (see below), whose sum is σ = 530024906160. Its totient is φ = 70664929280.

The previous prime is 212002375097. The next prime is 212002375147. The reversal of 212002375128 is 821573200212.

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, 600868 + ... + 886028.

Almost surely, 2^212002375128 is an apocalyptic number.

It is an amenable number.

212002375128 is an abundant number, since it is smaller than the sum of its proper divisors (318022531032).

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

212002375128 is a wasteful number, since it uses less digits than its factorization.

212002375128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316147 (or 316143 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The spelling of 212002375128 in words is "two hundred twelve billion, two million, three hundred seventy-five thousand, one hundred twenty-eight".