120002170831252 has 12 divisors (see below), whose sum is σ = 210004094576500. Its totient is φ = 60001000952256.

The previous prime is 120002170831237. The next prime is 120002170831303. The reversal of 120002170831252 is 252138071200021.

It can be written as a sum of positive squares in 2 ways, for example, as 106663576773636 + 13338594057616 = 10327806^2 + 3652204^2 .

It is a congruent number.

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, 17863473 + ... + 23645464.

Almost surely, 2^{120002170831252} is an apocalyptic number.

It is an amenable number.

120002170831252 is a deficient number, since it is larger than the sum of its proper divisors (90001923745248).

120002170831252 is a wasteful number, since it uses less digits than its factorization.

120002170831252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42231690 (or 42231688 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 120002170831252 in words is "one hundred twenty trillion, two billion, one hundred seventy million, eight hundred thirty-one thousand, two hundred fifty-two".