12224431243 has 2 divisors, whose sum is σ = 12224431244. Its totient is φ = 12224431242.

The previous prime is 12224431211. The next prime is 12224431267. The reversal of 12224431243 is 34213442221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12224431243 - 2⁵ = 12224431211 is a prime.

It is not a weakly prime, because it can be changed into another prime (12224435243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6112215621 + 6112215622.

It is an arithmetic number, because the mean of its divisors is an integer number (6112215622).

Almost surely, 2^12224431243 is an apocalyptic number.

12224431243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12224431243 is an equidigital number, since it uses as much as digits as its factorization.

12224431243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 28.

Adding to 12224431243 its reverse (34213442221), we get a palindrome (46437873464).

The spelling of 12224431243 in words is "twelve billion, two hundred twenty-four million, four hundred thirty-one thousand, two hundred forty-three".