252101232120 has 64 divisors (see below), whose sum is σ = 756348516000. Its totient is φ = 67223011328.

The previous prime is 252101232073. The next prime is 252101232127. The reversal of 252101232120 is 21232101252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252101232127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2363296 + ... + 2467664.

Almost surely, 2^252101232120 is an apocalyptic number.

252101232120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252101232120 is an abundant number, since it is smaller than the sum of its proper divisors (504247283880).

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

252101232120 is a wasteful number, since it uses less digits than its factorization.

252101232120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124512 (or 124508 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 252101232120 its reverse (21232101252), we get a palindrome (273333333372).

The spelling of 252101232120 in words is "two hundred fifty-two billion, one hundred one million, two hundred thirty-two thousand, one hundred twenty".