13223112213 has 4 divisors (see below), whose sum is σ = 17630816288. Its totient is φ = 8815408140.

The previous prime is 13223112163. The next prime is 13223112239. The reversal of 13223112213 is 31221132231.

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 not a de Polignac number, because 13223112213 - 2¹⁰ = 13223111189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13223112213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223112013) 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, 2203852033 + ... + 2203852038.

It is an arithmetic number, because the mean of its divisors is an integer number (4407704072).

Almost surely, 2^13223112213 is an apocalyptic number.

It is an amenable number.

13223112213 is a deficient number, since it is larger than the sum of its proper divisors (4407704075).

13223112213 is an equidigital number, since it uses as much as digits as its factorization.

13223112213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407704074.

The product of its digits is 432, while the sum is 21.

Adding to 13223112213 its reverse (31221132231), we get a palindrome (44444244444).

The spelling of 13223112213 in words is "thirteen billion, two hundred twenty-three million, one hundred twelve thousand, two hundred thirteen".