3122112112213 has 4 divisors (see below), whose sum is σ = 3141998176780. Its totient is φ = 3102226047648.

The previous prime is 3122112112193. The next prime is 3122112112241.

It is a happy number.

3122112112213 is nontrivially palindromic in base 10.

3122112112213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2070211625329 + 1051900486884 = 1438823^2 + 1025622^2 .

It is a cyclic number.

It is not a de Polignac number, because 3122112112213 - 2⁵ = 3122112112181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122112112283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9943032048 + ... + 9943032361.

It is an arithmetic number, because the mean of its divisors is an integer number (785499544195).

Almost surely, 2^{3122112112213} is an apocalyptic number.

It is an amenable number.

3122112112213 is a deficient number, since it is larger than the sum of its proper divisors (19886064567).

3122112112213 is a wasteful number, since it uses less digits than its factorization.

3122112112213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19886064566.

The product of its digits is 288, while the sum is 22.

Multiplying 3122112112213 by its sum of digits (22), we get a palindrome (68686466468686).

The spelling of 3122112112213 in words is "three trillion, one hundred twenty-two billion, one hundred twelve million, one hundred twelve thousand, two hundred thirteen".