12170670717 has 16 divisors (see below), whose sum is σ = 16454810880. Its totient is φ = 8000428800.

The previous prime is 12170670697. The next prime is 12170670737. The reversal of 12170670717 is 71707607121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12170670697) and next prime (12170670737).

It is not a de Polignac number, because 12170670717 - 2¹⁸ = 12170408573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12170670737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146617 + ... + 214097.

It is an arithmetic number, because the mean of its divisors is an integer number (1028425680).

Almost surely, 2^12170670717 is an apocalyptic number.

It is an amenable number.

12170670717 is a deficient number, since it is larger than the sum of its proper divisors (4284140163).

12170670717 is an equidigital number, since it uses as much as digits as its factorization.

12170670717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68324.

The product of its (nonzero) digits is 28812, while the sum is 39.

The spelling of 12170670717 in words is "twelve billion, one hundred seventy million, six hundred seventy thousand, seven hundred seventeen".