12222444430213 has 4 divisors (see below), whose sum is σ = 12222452968128. Its totient is φ = 12222435892300.

The previous prime is 12222444430153. The next prime is 12222444430237. The reversal of 12222444430213 is 31203444422221.

12222444430213 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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12222444430213 - 2¹⁷ = 12222444299141 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 (12222444430013) 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, 1540231 + ... + 5178532.

It is an arithmetic number, because the mean of its divisors is an integer number (3055613242032).

Almost surely, 2^{12222444430213} is an apocalyptic number.

It is an amenable number.

12222444430213 is a deficient number, since it is larger than the sum of its proper divisors (8537915).

12222444430213 is an equidigital number, since it uses as much as digits as its factorization.

12222444430213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8537914.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 12222444430213 its reverse (31203444422221), we get a palindrome (43425888852434).

The spelling of 12222444430213 in words is "twelve trillion, two hundred twenty-two billion, four hundred forty-four million, four hundred thirty thousand, two hundred thirteen".