13122323222213 has 4 divisors (see below), whose sum is σ = 13122331925868. Its totient is φ = 13122314518560.

The previous prime is 13122323222189. The next prime is 13122323222219. The reversal of 13122323222213 is 31222232322131.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 11097146612644 + 2025176609569 = 3331238^2 + 1423087^2 .

It is a cyclic number.

It is not a de Polignac number, because 13122323222213 - 2¹⁸ = 13122322960069 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 (13122323222219) 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, 1441568 + ... + 5321913.

It is an arithmetic number, because the mean of its divisors is an integer number (3280582981467).

Almost surely, 2^{13122323222213} is an apocalyptic number.

It is an amenable number.

13122323222213 is a deficient number, since it is larger than the sum of its proper divisors (8703655).

13122323222213 is an equidigital number, since it uses as much as digits as its factorization.

13122323222213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8703654.

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

Adding to 13122323222213 its reverse (31222232322131), we get a palindrome (44344555544344).

The spelling of 13122323222213 in words is "thirteen trillion, one hundred twenty-two billion, three hundred twenty-three million, two hundred twenty-two thousand, two hundred thirteen".