12221204433013 has 4 divisors (see below), whose sum is σ = 12221822966080. Its totient is φ = 12220585899948.

The previous prime is 12221204433007. The next prime is 12221204433041. The reversal of 12221204433013 is 31033440212221.

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 12221204433013 - 2³³ = 12212614498421 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 (12221204433313) 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, 309236895 + ... + 309276412.

It is an arithmetic number, because the mean of its divisors is an integer number (3055455741520).

Almost surely, 2^{12221204433013} is an apocalyptic number.

It is an amenable number.

12221204433013 is a deficient number, since it is larger than the sum of its proper divisors (618533067).

12221204433013 is an equidigital number, since it uses as much as digits as its factorization.

12221204433013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618533066.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 12221204433013 its reverse (31033440212221), we get a palindrome (43254644645234).

The spelling of 12221204433013 in words is "twelve trillion, two hundred twenty-one billion, two hundred four million, four hundred thirty-three thousand, thirteen".