12412761615 has 48 divisors (see below), whose sum is σ = 22305404160. Its totient is φ = 6378923520.

The previous prime is 12412761589. The next prime is 12412761619. The reversal of 12412761615 is 51616721421.

12412761615 is a `hidden beast` number, since 1 + 2 + 4 + 1 + 27 + 616 + 15 = 666.

It is not a de Polignac number, because 12412761615 - 2⁵ = 12412761583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12412761615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12412761619) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 305941 + ... + 344129.

It is an arithmetic number, because the mean of its divisors is an integer number (464695920).

Almost surely, 2^12412761615 is an apocalyptic number.

12412761615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12412761615 is a deficient number, since it is larger than the sum of its proper divisors (9892642545).

12412761615 is a wasteful number, since it uses less digits than its factorization.

12412761615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38464 (or 38461 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The spelling of 12412761615 in words is "twelve billion, four hundred twelve million, seven hundred sixty-one thousand, six hundred fifteen".