12442222213 has 2 divisors, whose sum is σ = 12442222214. Its totient is φ = 12442222212.

The previous prime is 12442222201. The next prime is 12442222223. The reversal of 12442222213 is 31222224421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7642780929 + 4799441284 = 87423^2 + 69278^2 .

It is a cyclic number.

It is not a de Polignac number, because 12442222213 - 2²⁹ = 11905351301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12442222223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6221111106 + 6221111107.

It is an arithmetic number, because the mean of its divisors is an integer number (6221111107).

Almost surely, 2^12442222213 is an apocalyptic number.

It is an amenable number.

12442222213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12442222213 is an equidigital number, since it uses as much as digits as its factorization.

12442222213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 25.

Adding to 12442222213 its reverse (31222224421), we get a palindrome (43664446634).

The spelling of 12442222213 in words is "twelve billion, four hundred forty-two million, two hundred twenty-two thousand, two hundred thirteen".