212112012120122 has 32 divisors (see below), whose sum is σ = 324790528056192. Its totient is φ = 103866899361984.

The previous prime is 212112012120103. The next prime is 212112012120133. The reversal of 212112012120122 is 221021210211212.

It is a junction number, because it is equal to n+sod(n) for n = 212112012120094 and 212112012120103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1595156483 + ... + 1595289449.

It is an arithmetic number, because the mean of its divisors is an integer number (10149704001756).

Almost surely, 2^{212112012120122} is an apocalyptic number.

212112012120122 is a deficient number, since it is larger than the sum of its proper divisors (112678515936070).

212112012120122 is a wasteful number, since it uses less digits than its factorization.

212112012120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202022.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 212112012120122 its reverse (221021210211212), we get a palindrome (433133222331334).

The spelling of 212112012120122 in words is "two hundred twelve trillion, one hundred twelve billion, twelve million, one hundred twenty thousand, one hundred twenty-two".