252112340322 has 64 divisors (see below), whose sum is σ = 593705324160. Its totient is φ = 79027425792.

The previous prime is 252112340321. The next prime is 252112340329. The reversal of 252112340322 is 223043211252.

252112340322 is a `hidden beast` number, since 2 + 5 + 211 + 23 + 403 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (252112340321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 980073 + ... + 1210275.

It is an arithmetic number, because the mean of its divisors is an integer number (9276645690).

Almost surely, 2^252112340322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252112340322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296852662080).

252112340322 is an abundant number, since it is smaller than the sum of its proper divisors (341592983838).

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

252112340322 is a wasteful number, since it uses less digits than its factorization.

252112340322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231424 (or 231418 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 252112340322 its reverse (223043211252), we get a palindrome (475155551574).

The spelling of 252112340322 in words is "two hundred fifty-two billion, one hundred twelve million, three hundred forty thousand, three hundred twenty-two".