213320211312 has 80 divisors (see below), whose sum is σ = 593765503520. Its totient is φ = 65604059136.

The previous prime is 213320211301. The next prime is 213320211367. The reversal of 213320211312 is 213112023312.

It is a super-2 number, since 2×213320211312² (a number of 23 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 1173864 + ... + 1343352.

It is an arithmetic number, because the mean of its divisors is an integer number (7422068794).

Almost surely, 2^213320211312 is an apocalyptic number.

It is an amenable number.

213320211312 is an abundant number, since it is smaller than the sum of its proper divisors (380445292208).

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

213320211312 is a wasteful number, since it uses less digits than its factorization.

213320211312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171530 (or 171524 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213320211312 its reverse (213112023312), we get a palindrome (426432234624).

The spelling of 213320211312 in words is "two hundred thirteen billion, three hundred twenty million, two hundred eleven thousand, three hundred twelve".