213020320312 has 16 divisors (see below), whose sum is σ = 399680646840. Its totient is φ = 106438814496.

The previous prime is 213020320301. The next prime is 213020320351. The reversal of 213020320312 is 213023020312.

213020320312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 213020320312.

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, 8905518 + ... + 8929405.

Almost surely, 2^213020320312 is an apocalyptic number.

It is an amenable number.

213020320312 is a deficient number, since it is larger than the sum of its proper divisors (186660326528).

213020320312 is a wasteful number, since it uses less digits than its factorization.

213020320312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17836422 (or 17836418 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 213020320312 its reverse (213023020312), we get a palindrome (426043340624).

The spelling of 213020320312 in words is "two hundred thirteen billion, twenty million, three hundred twenty thousand, three hundred twelve".