253112221200 has 60 divisors (see below), whose sum is σ = 810802819088. Its totient is φ = 67496592000.

The previous prime is 253112221189. The next prime is 253112221217. The reversal of 253112221200 is 2122211352.

It is a tau number, because it is divible by the number of its divisors (60).

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, 105462226 + ... + 105464625.

Almost surely, 2^253112221200 is an apocalyptic number.

253112221200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253112221200 is an abundant number, since it is smaller than the sum of its proper divisors (557690597888).

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

253112221200 is a wasteful number, since it uses less digits than its factorization.

253112221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210926872 (or 210926861 counting only the distinct ones).

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

Adding to 253112221200 its reverse (2122211352), we get a palindrome (255234432552).

The spelling of 253112221200 in words is "two hundred fifty-three billion, one hundred twelve million, two hundred twenty-one thousand, two hundred".