252121433324 has 24 divisors (see below), whose sum is σ = 443573088000. Its totient is φ = 125386675920.

The previous prime is 252121433323. The next prime is 252121433383. The reversal of 252121433324 is 423334121252.

It is not an unprimeable number, because it can be changed into a prime (252121433323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2490407 + ... + 2589665.

It is an arithmetic number, because the mean of its divisors is an integer number (18482212000).

Almost surely, 2^252121433324 is an apocalyptic number.

It is an amenable number.

252121433324 is a deficient number, since it is larger than the sum of its proper divisors (191451654676).

252121433324 is a wasteful number, since it uses less digits than its factorization.

252121433324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102653 (or 102651 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

Adding to 252121433324 its reverse (423334121252), we get a palindrome (675455554576).

The spelling of 252121433324 in words is "two hundred fifty-two billion, one hundred twenty-one million, four hundred thirty-three thousand, three hundred twenty-four".