12097116217 has 4 divisors (see below), whose sum is σ = 12160452096. Its totient is φ = 12033780340.

The previous prime is 12097116091. The next prime is 12097116253. The reversal of 12097116217 is 71261179021.

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 12097116217 - 2³¹ = 9949632569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12097116257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31667653 + ... + 31668034.

It is an arithmetic number, because the mean of its divisors is an integer number (3040113024).

Almost surely, 2^12097116217 is an apocalyptic number.

It is an amenable number.

12097116217 is a deficient number, since it is larger than the sum of its proper divisors (63335879).

12097116217 is an equidigital number, since it uses as much as digits as its factorization.

12097116217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63335878.

The product of its (nonzero) digits is 10584, while the sum is 37.

The spelling of 12097116217 in words is "twelve billion, ninety-seven million, one hundred sixteen thousand, two hundred seventeen".