12213220013 has 4 divisors (see below), whose sum is σ = 12227372928. Its totient is φ = 12199067100.

The previous prime is 12213220003. The next prime is 12213220027. The reversal of 12213220013 is 31002231221.

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 a de Polignac number, because none of the positive numbers 2^k-12213220013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12213219973 and 12213220000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213220003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7075163 + ... + 7076888.

It is an arithmetic number, because the mean of its divisors is an integer number (3056843232).

Almost surely, 2^12213220013 is an apocalyptic number.

It is an amenable number.

12213220013 is a deficient number, since it is larger than the sum of its proper divisors (14152915).

12213220013 is an equidigital number, since it uses as much as digits as its factorization.

12213220013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14152914.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12213220013 its reverse (31002231221), we get a palindrome (43215451234).

The spelling of 12213220013 in words is "twelve billion, two hundred thirteen million, two hundred twenty thousand, thirteen".