12203221323313 has 4 divisors (see below), whose sum is σ = 12462864330240. Its totient is φ = 11943578316388.

The previous prime is 12203221323257. The next prime is 12203221323353. The reversal of 12203221323313 is 31332312230221.

It is a happy number.

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-12203221323313 is a prime.

It is a super-2 number, since 2×12203221323313² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12203221323353) 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, 129821503393 + ... + 129821503486.

It is an arithmetic number, because the mean of its divisors is an integer number (3115716082560).

Almost surely, 2^{12203221323313} is an apocalyptic number.

It is an amenable number.

12203221323313 is a deficient number, since it is larger than the sum of its proper divisors (259643006927).

12203221323313 is an equidigital number, since it uses as much as digits as its factorization.

12203221323313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259643006926.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 12203221323313 its reverse (31332312230221), we get a palindrome (43535533553534).

The spelling of 12203221323313 in words is "twelve trillion, two hundred three billion, two hundred twenty-one million, three hundred twenty-three thousand, three hundred thirteen".