212122030310022 has 128 divisors (see below), whose sum is σ = 525525725168640. Its totient is φ = 55725846773760.

The previous prime is 212122030309967. The next prime is 212122030310051. The reversal of 212122030310022 is 220013030221212.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10481653 + ... + 23110800.

It is an arithmetic number, because the mean of its divisors is an integer number (4105669727880).

Almost surely, 2^{212122030310022} is an apocalyptic number.

212122030310022 is an abundant number, since it is smaller than the sum of its proper divisors (313403694858618).

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

212122030310022 is a wasteful number, since it uses less digits than its factorization.

212122030310022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33592718.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212122030310022 its reverse (220013030221212), we get a palindrome (432135060531234).

The spelling of 212122030310022 in words is "two hundred twelve trillion, one hundred twenty-two billion, thirty million, three hundred ten thousand, twenty-two".