252112405322 has 8 divisors (see below), whose sum is σ = 391208904900. Its totient is φ = 121709437024.

The previous prime is 252112405309. The next prime is 252112405399. The reversal of 252112405322 is 223504211252.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 220335421201 + 31776984121 = 469399^2 + 178261^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 2173382747 + ... + 2173382862.

Almost surely, 2^252112405322 is an apocalyptic number.

252112405322 is a deficient number, since it is larger than the sum of its proper divisors (139096499578).

252112405322 is a wasteful number, since it uses less digits than its factorization.

252112405322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4346765640.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 252112405322 its reverse (223504211252), we get a palindrome (475616616574).

The spelling of 252112405322 in words is "two hundred fifty-two billion, one hundred twelve million, four hundred five thousand, three hundred twenty-two".