213022220312 has 32 divisors (see below), whose sum is σ = 435820182480. Its totient is φ = 96807634560.

The previous prime is 213022220309. The next prime is 213022220329.

It is a happy number.

213022220312 is nontrivially palindromic in base 10.

213022220312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160778 + ... + 672230.

Almost surely, 2^213022220312 is an apocalyptic number.

213022220312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213022220312 is an abundant number, since it is smaller than the sum of its proper divisors (222797962168).

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

213022220312 is a wasteful number, since it uses less digits than its factorization.

213022220312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516203 (or 516199 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

It can be divided in two parts, 213022 and 220312, that added together give a palindrome (433334).

The spelling of 213022220312 in words is "two hundred thirteen billion, twenty-two million, two hundred twenty thousand, three hundred twelve".