12744539886215 has 8 divisors (see below), whose sum is σ = 15318894535728. Its totient is φ = 10178667460800.

The previous prime is 12744539886181. The next prime is 12744539886223. The reversal of 12744539886215 is 51268893544721.

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

It is not a de Polignac number, because 12744539886215 - 2²² = 12744535691911 is a prime.

It is a super-2 number, since 2×12744539886215² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2120552717 + ... + 2120558726.

It is an arithmetic number, because the mean of its divisors is an integer number (1914861816966).

Almost surely, 2^{12744539886215} is an apocalyptic number.

12744539886215 is a deficient number, since it is larger than the sum of its proper divisors (2574354649513).

12744539886215 is an equidigital number, since it uses as much as digits as its factorization.

12744539886215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4241112049.

The product of its digits is 116121600, while the sum is 65.

The spelling of 12744539886215 in words is "twelve trillion, seven hundred forty-four billion, five hundred thirty-nine million, eight hundred eighty-six thousand, two hundred fifteen".