252010122231 has 24 divisors (see below), whose sum is σ = 399962918784. Its totient is φ = 140656808880.

The previous prime is 252010122173. The next prime is 252010122253. The reversal of 252010122231 is 132221010252.

It is not a de Polignac number, because 252010122231 - 2⁶ = 252010122167 is a prime.

It is a super-2 number, since 2×252010122231² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 252010122198 and 252010122207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252010122271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19928035 + ... + 19940676.

It is an arithmetic number, because the mean of its divisors is an integer number (16665121616).

Almost surely, 2^252010122231 is an apocalyptic number.

252010122231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

252010122231 is a deficient number, since it is larger than the sum of its proper divisors (147952796553).

252010122231 is a wasteful number, since it uses less digits than its factorization.

252010122231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39868771 (or 39868764 counting only the distinct ones).

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

Adding to 252010122231 its reverse (132221010252), we get a palindrome (384231132483).

The spelling of 252010122231 in words is "two hundred fifty-two billion, ten million, one hundred twenty-two thousand, two hundred thirty-one".