12431203297 has 2 divisors, whose sum is σ = 12431203298. Its totient is φ = 12431203296.

The previous prime is 12431203273. The next prime is 12431203327. The reversal of 12431203297 is 79230213421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6567319521 + 5863883776 = 81039^2 + 76576^2 .

It is a cyclic number.

It is not a de Polignac number, because 12431203297 - 2¹¹ = 12431201249 is a prime.

It is a super-2 number, since 2×12431203297² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12431203217) 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, 6215601648 + 6215601649.

It is an arithmetic number, because the mean of its divisors is an integer number (6215601649).

Almost surely, 2^12431203297 is an apocalyptic number.

It is an amenable number.

12431203297 is a deficient number, since it is larger than the sum of its proper divisors (1).

12431203297 is an equidigital number, since it uses as much as digits as its factorization.

12431203297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 12431203297 in words is "twelve billion, four hundred thirty-one million, two hundred three thousand, two hundred ninety-seven".