252121504352 has 12 divisors (see below), whose sum is σ = 496364211756. Its totient is φ = 126060752160.

The previous prime is 252121504337. The next prime is 252121504403. The reversal of 252121504352 is 253405121252.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 7878797011 = 252121504352 / (2 + 5 + 2 + 1 + 2 + 1 + 5 + 0 + 4 + 3 + 5 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3939398474 + ... + 3939398537.

It is an arithmetic number, because the mean of its divisors is an integer number (41363684313).

Almost surely, 2^252121504352 is an apocalyptic number.

It is an amenable number.

252121504352 is a deficient number, since it is larger than the sum of its proper divisors (244242707404).

252121504352 is an equidigital number, since it uses as much as digits as its factorization.

252121504352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7878797021 (or 7878797013 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 252121504352 in words is "two hundred fifty-two billion, one hundred twenty-one million, five hundred four thousand, three hundred fifty-two".