12215275381317 has 16 divisors (see below), whose sum is σ = 16293308941440. Its totient is φ = 8140379799552.

The previous prime is 12215275381279. The next prime is 12215275381321. The reversal of 12215275381317 is 71318357251221.

It is not a de Polignac number, because 12215275381317 - 2⁸ = 12215275381061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12215275381327) 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 15 ways as a sum of consecutive naturals, for example, 135308688 + ... + 135398934.

It is an arithmetic number, because the mean of its divisors is an integer number (1018331808840).

Almost surely, 2^{12215275381317} is an apocalyptic number.

It is an amenable number.

12215275381317 is a deficient number, since it is larger than the sum of its proper divisors (4078033560123).

12215275381317 is a wasteful number, since it uses less digits than its factorization.

12215275381317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107132.

The product of its digits is 705600, while the sum is 48.

The spelling of 12215275381317 in words is "twelve trillion, two hundred fifteen billion, two hundred seventy-five million, three hundred eighty-one thousand, three hundred seventeen".