212212202120122 has 32 divisors (see below), whose sum is σ = 321115931136000. Its totient is φ = 105177886192368.

The previous prime is 212212202120047. The next prime is 212212202120137. The reversal of 212212202120122 is 221021202212212.

It is a junction number, because it is equal to n+sod(n) for n = 212212202120093 and 212212202120102.

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, 251648779 + ... + 252490657.

It is an arithmetic number, because the mean of its divisors is an integer number (10034872848000).

Almost surely, 2^{212212202120122} is an apocalyptic number.

212212202120122 is a deficient number, since it is larger than the sum of its proper divisors (108903729015878).

212212202120122 is a wasteful number, since it uses less digits than its factorization.

212212202120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844450.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 212212202120122 its reverse (221021202212212), we get a palindrome (433233404332334).

The spelling of 212212202120122 in words is "two hundred twelve trillion, two hundred twelve billion, two hundred two million, one hundred twenty thousand, one hundred twenty-two".