212021202212022 has 64 divisors (see below), whose sum is σ = 510132519936000. Its totient is φ = 57388486690080.

The previous prime is 212021202211997. The next prime is 212021202212069. The reversal of 212021202212022 is 220212202120212.

It is a super-2 number, since 2×212021202212022² (a number of 29 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 212021202212022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64478979 + ... + 67687377.

It is an arithmetic number, because the mean of its divisors is an integer number (7970820624000).

Almost surely, 2^{212021202212022} is an apocalyptic number.

212021202212022 is an abundant number, since it is smaller than the sum of its proper divisors (298111317723978).

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

212021202212022 is a wasteful number, since it uses less digits than its factorization.

212021202212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291241.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 212021202212022 its reverse (220212202120212), we get a palindrome (432233404332234).

The spelling of 212021202212022 in words is "two hundred twelve trillion, twenty-one billion, two hundred two million, two hundred twelve thousand, twenty-two".