252513252120 has 64 divisors (see below), whose sum is σ = 767128896000. Its totient is φ = 66484499328.

The previous prime is 252513252077. The next prime is 252513252151. The reversal of 252513252120 is 21252315252.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13308730 + ... + 13327689.

It is an arithmetic number, because the mean of its divisors is an integer number (11986389000).

Almost surely, 2^252513252120 is an apocalyptic number.

252513252120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252513252120 is an abundant number, since it is smaller than the sum of its proper divisors (514615643880).

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

252513252120 is a wasteful number, since it uses less digits than its factorization.

252513252120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26636512 (or 26636508 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 252513252120 its reverse (21252315252), we get a palindrome (273765567372).

The spelling of 252513252120 in words is "two hundred fifty-two billion, five hundred thirteen million, two hundred fifty-two thousand, one hundred twenty".