212100002200122 has 32 divisors (see below), whose sum is σ = 428690333131200. Its totient is φ = 69952011022848.

The previous prime is 212100002200069. The next prime is 212100002200159. The reversal of 212100002200122 is 221002200001212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47669997 + ... + 51929072.

It is an arithmetic number, because the mean of its divisors is an integer number (13396572910350).

Almost surely, 2^{212100002200122} is an apocalyptic number.

212100002200122 is an abundant number, since it is smaller than the sum of its proper divisors (216590330931078).

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

212100002200122 is a wasteful number, since it uses less digits than its factorization.

212100002200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99602830.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212100002200122 its reverse (221002200001212), we get a palindrome (433102202201334).

The spelling of 212100002200122 in words is "two hundred twelve trillion, one hundred billion, two million, two hundred thousand, one hundred twenty-two".