3122122212122 has 4 divisors (see below), whose sum is σ = 4683183318186. Its totient is φ = 1561061106060.

The previous prime is 3122122212101. The next prime is 3122122212221. The reversal of 3122122212122 is 2212122212213.

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., 3017061306961 + 105060905161 = 1736969^2 + 324131^2 .

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 as a sum of consecutive naturals, namely, 780530553029 + ... + 780530553032.

Almost surely, 2^{3122122212122} is an apocalyptic number.

3122122212122 is a deficient number, since it is larger than the sum of its proper divisors (1561061106064).

3122122212122 is a wasteful number, since it uses less digits than its factorization.

3122122212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561061106063.

The product of its digits is 768, while the sum is 23.

Adding to 3122122212122 its reverse (2212122212213), we get a palindrome (5334244424335).

Subtracting from 3122122212122 its reverse (2212122212213), we obtain a palindrome (909999999909).

The spelling of 3122122212122 in words is "three trillion, one hundred twenty-two billion, one hundred twenty-two million, two hundred twelve thousand, one hundred twenty-two".