12213023013 has 12 divisors (see below), whose sum is σ = 18051290400. Its totient is φ = 7952665896.

The previous prime is 12213023003. The next prime is 12213023021. The reversal of 12213023013 is 31032031221.

It is not a de Polignac number, because 12213023013 - 2³³ = 3623088421 is a prime.

It is a super-2 number, since 2×12213023013² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213023003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15778713 + ... + 15779486.

It is an arithmetic number, because the mean of its divisors is an integer number (1504274200).

Almost surely, 2^12213023013 is an apocalyptic number.

It is an amenable number.

12213023013 is a deficient number, since it is larger than the sum of its proper divisors (5838267387).

12213023013 is a wasteful number, since it uses less digits than its factorization.

12213023013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31558248 (or 31558245 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12213023013 its reverse (31032031221), we get a palindrome (43245054234).

The spelling of 12213023013 in words is "twelve billion, two hundred thirteen million, twenty-three thousand, thirteen".