212200021120122 has 40 divisors (see below), whose sum is σ = 543411694299936. Its totient is φ = 60628577462568.

The previous prime is 212200021120111. The next prime is 212200021120181. The reversal of 212200021120122 is 221021120002212.

It is a happy number.

212200021120122 is a `hidden beast` number, since 212 + 20 + 0 + 0 + 211 + 201 + 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 = 212200021120095 and 212200021120104.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 93562618408 + ... + 93562620675.

Almost surely, 2^{212200021120122} is an apocalyptic number.

212200021120122 is an abundant number, since it is smaller than the sum of its proper divisors (331211673179814).

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

212200021120122 is a wasteful number, since it uses less digits than its factorization.

212200021120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187125239104 (or 187125239095 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 212200021120122 its reverse (221021120002212), we get a palindrome (433221141122334).

The spelling of 212200021120122 in words is "two hundred twelve trillion, two hundred billion, twenty-one million, one hundred twenty thousand, one hundred twenty-two".