212000220022122 has 96 divisors (see below), whose sum is σ = 525341364387840. Its totient is φ = 60526679986080.

The previous prime is 212000220022109. The next prime is 212000220022147. The reversal of 212000220022122 is 221220022000212.

212000220022122 is a `hidden beast` number, since 2 + 1 + 200 + 0 + 220 + 0 + 221 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212000220022095 and 212000220022104.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2022252247 + ... + 2022357077.

It is an arithmetic number, because the mean of its divisors is an integer number (5472305879040).

Almost surely, 2^{212000220022122} is an apocalyptic number.

212000220022122 is an abundant number, since it is smaller than the sum of its proper divisors (313341144365718).

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

212000220022122 is a wasteful number, since it uses less digits than its factorization.

212000220022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116568 (or 116565 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 212000220022122 its reverse (221220022000212), we get a palindrome (433220242022334).

The spelling of 212000220022122 in words is "two hundred twelve trillion, two hundred twenty million, twenty-two thousand, one hundred twenty-two".