252322142120 has 16 divisors (see below), whose sum is σ = 567724819860. Its totient is φ = 100928856832.

The previous prime is 252322142101. The next prime is 252322142153. The reversal of 252322142120 is 21241223252.

It can be written as a sum of positive squares in 2 ways, for example, as 243899675044 + 8422467076 = 493862^2 + 91774^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 252322142120.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3154026737 + ... + 3154026816.

Almost surely, 2^252322142120 is an apocalyptic number.

252322142120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252322142120 is an abundant number, since it is smaller than the sum of its proper divisors (315402677740).

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

252322142120 is a wasteful number, since it uses less digits than its factorization.

252322142120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6308053564 (or 6308053560 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 252322142120 its reverse (21241223252), we get a palindrome (273563365372).

The spelling of 252322142120 in words is "two hundred fifty-two billion, three hundred twenty-two million, one hundred forty-two thousand, one hundred twenty".