12766315127 has 24 divisors (see below), whose sum is σ = 13802302800. Its totient is φ = 11792161920.

The previous prime is 12766315123. The next prime is 12766315141. The reversal of 12766315127 is 72151366721.

It is not a de Polignac number, because 12766315127 - 2² = 12766315123 is a prime.

It is a super-2 number, since 2×12766315127² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12766315123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2477768 + ... + 2482914.

It is an arithmetic number, because the mean of its divisors is an integer number (575095950).

Almost surely, 2^12766315127 is an apocalyptic number.

12766315127 is a deficient number, since it is larger than the sum of its proper divisors (1035987673).

12766315127 is an equidigital number, since it uses as much as digits as its factorization.

12766315127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5327 (or 5296 counting only the distinct ones).

The product of its digits is 105840, while the sum is 41.

The spelling of 12766315127 in words is "twelve billion, seven hundred sixty-six million, three hundred fifteen thousand, one hundred twenty-seven".