12860342017 has 2 divisors, whose sum is σ = 12860342018. Its totient is φ = 12860342016.

The previous prime is 12860341987. The next prime is 12860342021. The reversal of 12860342017 is 71024306821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12607022961 + 253319056 = 112281^2 + 15916^2 .

It is a cyclic number.

It is not a de Polignac number, because 12860342017 - 2¹¹ = 12860339969 is a prime.

It is not a weakly prime, because it can be changed into another prime (12860349017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6430171008 + 6430171009.

It is an arithmetic number, because the mean of its divisors is an integer number (6430171009).

Almost surely, 2^12860342017 is an apocalyptic number.

It is an amenable number.

12860342017 is a deficient number, since it is larger than the sum of its proper divisors (1).

12860342017 is an equidigital number, since it uses as much as digits as its factorization.

12860342017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

Adding to 12860342017 its reverse (71024306821), we get a palindrome (83884648838).

The spelling of 12860342017 in words is "twelve billion, eight hundred sixty million, three hundred forty-two thousand, seventeen".