12221133130213 has 4 divisors (see below), whose sum is σ = 13967009291680. Its totient is φ = 10475256968748.

The previous prime is 12221133130147. The next prime is 12221133130273. The reversal of 12221133130213 is 31203133112221.

12221133130213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-12221133130213 is a prime.

It is a super-2 number, since 2×12221133130213² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221133130273) 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, 872938080723 + ... + 872938080736.

It is an arithmetic number, because the mean of its divisors is an integer number (3491752322920).

Almost surely, 2^{12221133130213} is an apocalyptic number.

It is an amenable number.

12221133130213 is a deficient number, since it is larger than the sum of its proper divisors (1745876161467).

12221133130213 is an equidigital number, since it uses as much as digits as its factorization.

12221133130213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745876161466.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12221133130213 its reverse (31203133112221), we get a palindrome (43424266242434).

The spelling of 12221133130213 in words is "twelve trillion, two hundred twenty-one billion, one hundred thirty-three million, one hundred thirty thousand, two hundred thirteen".