252638875212 has 96 divisors (see below), whose sum is σ = 596957921280. Its totient is φ = 83155083840.

The previous prime is 252638875211. The next prime is 252638875213. The reversal of 252638875212 is 212578836252.

It is an interprime number because it is at equal distance from previous prime (252638875211) and next prime (252638875213).

It is not an unprimeable number, because it can be changed into a prime (252638875211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 351374989 + ... + 351375707.

It is an arithmetic number, because the mean of its divisors is an integer number (6218311680).

Almost surely, 2^252638875212 is an apocalyptic number.

It is an amenable number.

252638875212 is an abundant number, since it is smaller than the sum of its proper divisors (344319046068).

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

252638875212 is a wasteful number, since it uses less digits than its factorization.

252638875212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811 (or 1809 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 51.

The spelling of 252638875212 in words is "two hundred fifty-two billion, six hundred thirty-eight million, eight hundred seventy-five thousand, two hundred twelve".