212013323022 has 32 divisors (see below), whose sum is σ = 428191948800. Its totient is φ = 69977724768.

The previous prime is 212013322999. The next prime is 212013323029. The reversal of 212013323022 is 220323310212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 212013323022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212013323029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 921379 + ... + 1128257.

It is an arithmetic number, because the mean of its divisors is an integer number (13380998400).

Almost surely, 2^212013323022 is an apocalyptic number.

212013323022 is an abundant number, since it is smaller than the sum of its proper divisors (216178625778).

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

212013323022 is a wasteful number, since it uses less digits than its factorization.

212013323022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208560.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212013323022 its reverse (220323310212), we get a palindrome (432336633234).

The spelling of 212013323022 in words is "two hundred twelve billion, thirteen million, three hundred twenty-three thousand, twenty-two".