12224243243 has 2 divisors, whose sum is σ = 12224243244. Its totient is φ = 12224243242.

The previous prime is 12224243221. The next prime is 12224243281. The reversal of 12224243243 is 34234242221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12224243243 - 2³⁰ = 11150501419 is a prime.

It is a super-3 number, since 3×12224243243³ (a number of 31 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12224243443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6112121621 + 6112121622.

It is an arithmetic number, because the mean of its divisors is an integer number (6112121622).

Almost surely, 2^12224243243 is an apocalyptic number.

12224243243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12224243243 is an equidigital number, since it uses as much as digits as its factorization.

12224243243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 29.

Adding to 12224243243 its reverse (34234242221), we get a palindrome (46458485464).

The spelling of 12224243243 in words is "twelve billion, two hundred twenty-four million, two hundred forty-three thousand, two hundred forty-three".