53213500212 has 36 divisors (see below), whose sum is σ = 129798036480. Its totient is φ = 16966621232.

The previous prime is 53213500201. The next prime is 53213500229. The reversal of 53213500212 is 21200531235.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4185012 + ... + 4197707.

Almost surely, 2^53213500212 is an apocalyptic number.

It is an amenable number.

53213500212 is an abundant number, since it is smaller than the sum of its proper divisors (76584536268).

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

53213500212 is a wasteful number, since it uses less digits than its factorization.

53213500212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8382772 (or 8382747 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The spelling of 53213500212 in words is "fifty-three billion, two hundred thirteen million, five hundred thousand, two hundred twelve".