12670717217 has 4 divisors (see below), whose sum is σ = 12676534320. Its totient is φ = 12664900116.

The previous prime is 12670717193. The next prime is 12670717223. The reversal of 12670717217 is 71271707621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12670717217 - 2⁶ = 12670717153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12670717817) 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 in 3 ways as a sum of consecutive naturals, for example, 2905283 + ... + 2909640.

It is an arithmetic number, because the mean of its divisors is an integer number (3169133580).

Almost surely, 2^12670717217 is an apocalyptic number.

It is an amenable number.

12670717217 is a deficient number, since it is larger than the sum of its proper divisors (5817103).

12670717217 is an equidigital number, since it uses as much as digits as its factorization.

12670717217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5817102.

The product of its (nonzero) digits is 57624, while the sum is 41.

The spelling of 12670717217 in words is "twelve billion, six hundred seventy million, seven hundred seventeen thousand, two hundred seventeen".