252430431235112 has 16 divisors (see below), whose sum is σ = 509715293840340. Its totient is φ = 116506352877696.

The previous prime is 252430431235109. The next prime is 252430431235117. The reversal of 252430431235112 is 211532134034252.

It can be written as a sum of positive squares in 2 ways, for example, as 251050525241476 + 1379905993636 = 15844574^2 + 1174694^2 .

It is a super-2 number, since 2×252430431235112² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (252430431235117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1213607842373 + ... + 1213607842580.

Almost surely, 2^{252430431235112} is an apocalyptic number.

It is an amenable number.

252430431235112 is an abundant number, since it is smaller than the sum of its proper divisors (257284862605228).

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

252430431235112 is a wasteful number, since it uses less digits than its factorization.

252430431235112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427215684972 (or 2427215684968 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 252430431235112 its reverse (211532134034252), we get a palindrome (463962565269364).

The spelling of 252430431235112 in words is "two hundred fifty-two trillion, four hundred thirty billion, four hundred thirty-one million, two hundred thirty-five thousand, one hundred twelve".