212312202333122 has 4 divisors (see below), whose sum is σ = 318468303499686. Its totient is φ = 106156101166560.

The previous prime is 212312202333079. The next prime is 212312202333137. The reversal of 212312202333122 is 221333202213212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 163415034325321 + 48897168007801 = 12783389^2 + 6992651^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53078050583279 + ... + 53078050583282.

Almost surely, 2^{212312202333122} is an apocalyptic number.

212312202333122 is a deficient number, since it is larger than the sum of its proper divisors (106156101166564).

212312202333122 is a wasteful number, since it uses less digits than its factorization.

212312202333122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106156101166563.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 212312202333122 its reverse (221333202213212), we get a palindrome (433645404546334).

The spelling of 212312202333122 in words is "two hundred twelve trillion, three hundred twelve billion, two hundred two million, three hundred thirty-three thousand, one hundred twenty-two".