12217531676315 has 64 divisors (see below), whose sum is σ = 18114335078400. Its totient is φ = 7725409004544.

The previous prime is 12217531676293. The next prime is 12217531676359. The reversal of 12217531676315 is 51367613571221.

It is a de Polignac number, because none of the positive numbers 2^k-12217531676315 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14987279 + ... + 15781431.

It is an arithmetic number, because the mean of its divisors is an integer number (283036485600).

Almost surely, 2^{12217531676315} is an apocalyptic number.

12217531676315 is a deficient number, since it is larger than the sum of its proper divisors (5896803402085).

12217531676315 is a wasteful number, since it uses less digits than its factorization.

12217531676315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794876.

The product of its digits is 1587600, while the sum is 50.

The spelling of 12217531676315 in words is "twelve trillion, two hundred seventeen billion, five hundred thirty-one million, six hundred seventy-six thousand, three hundred fifteen".