12017731063215 has 32 divisors (see below), whose sum is σ = 19374551974080. Its totient is φ = 6360757305344.

The previous prime is 12017731063181. The next prime is 12017731063229. The reversal of 12017731063215 is 51236013771021.

It is a cyclic number.

It is not a de Polignac number, because 12017731063215 - 2⁸ = 12017731062959 is a prime.

It is a super-2 number, since 2×12017731063215² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5962747 + ... + 7719443.

It is an arithmetic number, because the mean of its divisors is an integer number (605454749190).

Almost surely, 2^{12017731063215} is an apocalyptic number.

12017731063215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12017731063215 is a deficient number, since it is larger than the sum of its proper divisors (7356820910865).

12017731063215 is a wasteful number, since it uses less digits than its factorization.

12017731063215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760171.

The product of its (nonzero) digits is 52920, while the sum is 39.

The spelling of 12017731063215 in words is "twelve trillion, seventeen billion, seven hundred thirty-one million, sixty-three thousand, two hundred fifteen".