253521934212 has 24 divisors (see below), whose sum is σ = 591563044800. Its totient is φ = 84505616416.

The previous prime is 253521934189. The next prime is 253521934223. The reversal of 253521934212 is 212439125352.

253521934212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×253521934212² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509614 + ... + 875642.

It is an arithmetic number, because the mean of its divisors is an integer number (24648460200).

Almost surely, 2^253521934212 is an apocalyptic number.

It is an amenable number.

253521934212 is an abundant number, since it is smaller than the sum of its proper divisors (338041110588).

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

253521934212 is a wasteful number, since it uses less digits than its factorization.

253521934212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423755 (or 423753 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The spelling of 253521934212 in words is "two hundred fifty-three billion, five hundred twenty-one million, nine hundred thirty-four thousand, two hundred twelve".