252010122172 has 24 divisors (see below), whose sum is σ = 442182343680. Its totient is φ = 125672519280.

The previous prime is 252010122167. The next prime is 252010122173. The reversal of 252010122172 is 271221010252.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252010122173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5115297 + ... + 5164327.

It is an arithmetic number, because the mean of its divisors is an integer number (18424264320).

Almost surely, 2^252010122172 is an apocalyptic number.

It is an amenable number.

252010122172 is a deficient number, since it is larger than the sum of its proper divisors (190172221508).

252010122172 is a wasteful number, since it uses less digits than its factorization.

252010122172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52401 (or 52399 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The spelling of 252010122172 in words is "two hundred fifty-two billion, ten million, one hundred twenty-two thousand, one hundred seventy-two".