12242340431 has 2 divisors, whose sum is σ = 12242340432. Its totient is φ = 12242340430.

The previous prime is 12242340419. The next prime is 12242340437. The reversal of 12242340431 is 13404324221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12242340431 - 2⁶ = 12242340367 is a prime.

It is a super-2 number, since 2×12242340431² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12242340431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12242340437) 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, 6121170215 + 6121170216.

It is an arithmetic number, because the mean of its divisors is an integer number (6121170216).

Almost surely, 2^12242340431 is an apocalyptic number.

12242340431 is a deficient number, since it is larger than the sum of its proper divisors (1).

12242340431 is an equidigital number, since it uses as much as digits as its factorization.

12242340431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 12242340431 its reverse (13404324221), we get a palindrome (25646664652).

The spelling of 12242340431 in words is "twelve billion, two hundred forty-two million, three hundred forty thousand, four hundred thirty-one".