213112323312 has 60 divisors (see below), whose sum is σ = 640424284776. Its totient is φ = 60889234560.

The previous prime is 213112323293. The next prime is 213112323341. The reversal of 213112323312 is 213323211312.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 45302139 + ... + 45306842.

Almost surely, 2^213112323312 is an apocalyptic number.

It is an amenable number.

213112323312 is an abundant number, since it is smaller than the sum of its proper divisors (427311961464).

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

213112323312 is a wasteful number, since it uses less digits than its factorization.

213112323312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90609006 (or 90608993 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

Adding to 213112323312 its reverse (213323211312), we get a palindrome (426435534624).

The spelling of 213112323312 in words is "two hundred thirteen billion, one hundred twelve million, three hundred twenty-three thousand, three hundred twelve".