13122223101213 has 4 divisors (see below), whose sum is σ = 17496297468288. Its totient is φ = 8748148734140.

The previous prime is 13122223101191. The next prime is 13122223101263. The reversal of 13122223101213 is 31210132222131.

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 13122223101213 - 2¹⁷ = 13122222970141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122223101263) 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, 2187037183533 + ... + 2187037183538.

It is an arithmetic number, because the mean of its divisors is an integer number (4374074367072).

Almost surely, 2^{13122223101213} is an apocalyptic number.

It is an amenable number.

13122223101213 is a deficient number, since it is larger than the sum of its proper divisors (4374074367075).

13122223101213 is an equidigital number, since it uses as much as digits as its factorization.

13122223101213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4374074367074.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 13122223101213 its reverse (31210132222131), we get a palindrome (44332355323344).

The spelling of 13122223101213 in words is "thirteen trillion, one hundred twenty-two billion, two hundred twenty-three million, one hundred one thousand, two hundred thirteen".