253336138212 has 12 divisors (see below), whose sum is σ = 591117655856. Its totient is φ = 84445379400.

The previous prime is 253336138189. The next prime is 253336138213. The reversal of 253336138212 is 212831633352.

253336138212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (253336138213) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10555672414 + ... + 10555672437.

Almost surely, 2^253336138212 is an apocalyptic number.

It is an amenable number.

253336138212 is an abundant number, since it is smaller than the sum of its proper divisors (337781517644).

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

253336138212 is a wasteful number, since it uses less digits than its factorization.

253336138212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21111344858 (or 21111344856 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The spelling of 253336138212 in words is "two hundred fifty-three billion, three hundred thirty-six million, one hundred thirty-eight thousand, two hundred twelve".