12217572262117 has 8 divisors (see below), whose sum is σ = 12953758075200. Its totient is φ = 11483331459264.

The previous prime is 12217572262099. The next prime is 12217572262123. The reversal of 12217572262117 is 71126227571221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12217572262117 - 2¹⁹ = 12217571737829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12217572262127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486239617 + ... + 486264742.

It is an arithmetic number, because the mean of its divisors is an integer number (1619219759400).

Almost surely, 2^{12217572262117} is an apocalyptic number.

12217572262117 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12217572262117 is a deficient number, since it is larger than the sum of its proper divisors (736185813083).

12217572262117 is an equidigital number, since it uses as much as digits as its factorization.

12217572262117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972505115.

The product of its digits is 329280, while the sum is 46.

The spelling of 12217572262117 in words is "twelve trillion, two hundred seventeen billion, five hundred seventy-two million, two hundred sixty-two thousand, one hundred seventeen".