13122220213 has 4 divisors (see below), whose sum is σ = 13307040288. Its totient is φ = 12937400140.

The previous prime is 13122220201. The next prime is 13122220229. The reversal of 13122220213 is 31202222131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13122220213 - 2²⁵ = 13088665781 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 (13122227213) 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, 92409931 + ... + 92410072.

It is an arithmetic number, because the mean of its divisors is an integer number (3326760072).

Almost surely, 2^13122220213 is an apocalyptic number.

It is an amenable number.

13122220213 is a deficient number, since it is larger than the sum of its proper divisors (184820075).

13122220213 is an equidigital number, since it uses as much as digits as its factorization.

13122220213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184820074.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13122220213 its reverse (31202222131), we get a palindrome (44324442344).

The spelling of 13122220213 in words is "thirteen billion, one hundred twenty-two million, two hundred twenty thousand, two hundred thirteen".