213453552253212 has 36 divisors (see below), whose sum is σ = 539717704625736. Its totient is φ = 71130802723680.

The previous prime is 213453552253141. The next prime is 213453552253307. The reversal of 213453552253212 is 212352255354312.

213453552253212 is a `hidden beast` number, since 2 + 1 + 3 + 4 + 53 + 5 + 52 + 2 + 532 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 849095943 + ... + 849347294.

It is an arithmetic number, because the mean of its divisors is an integer number (14992158461826).

Almost surely, 2^{213453552253212} is an apocalyptic number.

It is an amenable number.

213453552253212 is an abundant number, since it is smaller than the sum of its proper divisors (326264152372524).

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

213453552253212 is a wasteful number, since it uses less digits than its factorization.

213453552253212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698446738 (or 1698446733 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 45.

The spelling of 213453552253212 in words is "two hundred thirteen trillion, four hundred fifty-three billion, five hundred fifty-two million, two hundred fifty-three thousand, two hundred twelve".