213023320312 has 16 divisors (see below), whose sum is σ = 435729519000. Its totient is φ = 96828781920.

The previous prime is 213023320303. The next prime is 213023320361.

213023320312 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1210359687 + ... + 1210359862.

Almost surely, 2^213023320312 is an apocalyptic number.

213023320312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213023320312 is an abundant number, since it is smaller than the sum of its proper divisors (222706198688).

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

213023320312 is a wasteful number, since it uses less digits than its factorization.

213023320312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420719566 (or 2420719562 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

It can be divided in two parts, 213023 and 320312, that added together give a palindrome (533335).

The spelling of 213023320312 in words is "two hundred thirteen billion, twenty-three million, three hundred twenty thousand, three hundred twelve".