12432142817 has 2 divisors, whose sum is σ = 12432142818. Its totient is φ = 12432142816.

The previous prime is 12432142777. The next prime is 12432142831. The reversal of 12432142817 is 71824123421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12227051776 + 205091041 = 110576^2 + 14321^2 .

It is a cyclic number.

It is not a de Polignac number, because 12432142817 - 2¹² = 12432138721 is a prime.

It is not a weakly prime, because it can be changed into another prime (12432112817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6216071408 + 6216071409.

It is an arithmetic number, because the mean of its divisors is an integer number (6216071409).

Almost surely, 2^12432142817 is an apocalyptic number.

It is an amenable number.

12432142817 is a deficient number, since it is larger than the sum of its proper divisors (1).

12432142817 is an equidigital number, since it uses as much as digits as its factorization.

12432142817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 35.

The spelling of 12432142817 in words is "twelve billion, four hundred thirty-two million, one hundred forty-two thousand, eight hundred seventeen".