253442200122 has 24 divisors (see below), whose sum is σ = 561895112064. Its totient is φ = 82516064904.

The previous prime is 253442200103. The next prime is 253442200147. The reversal of 253442200122 is 221002244352.

253442200122 is a `hidden beast` number, since 2 + 5 + 3 + 442 + 200 + 12 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163721578 + ... + 163723125.

It is an arithmetic number, because the mean of its divisors is an integer number (23412296336).

Almost surely, 2^253442200122 is an apocalyptic number.

253442200122 is an abundant number, since it is smaller than the sum of its proper divisors (308452911942).

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

253442200122 is a wasteful number, since it uses less digits than its factorization.

253442200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327444754 (or 327444751 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 253442200122 its reverse (221002244352), we get a palindrome (474444444474).

The spelling of 253442200122 in words is "two hundred fifty-three billion, four hundred forty-two million, two hundred thousand, one hundred twenty-two".