12712771323 has 24 divisors (see below), whose sum is σ = 21193956576. Its totient is φ = 7192512000.

The previous prime is 12712771319. The next prime is 12712771333. The reversal of 12712771323 is 32317721721.

It is not a de Polignac number, because 12712771323 - 2² = 12712771319 is a prime.

It is a super-2 number, since 2×12712771323² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12712771333) 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, 992598 + ... + 1005323.

It is an arithmetic number, because the mean of its divisors is an integer number (883081524).

Almost surely, 2^12712771323 is an apocalyptic number.

12712771323 is a deficient number, since it is larger than the sum of its proper divisors (8481185253).

12712771323 is a wasteful number, since it uses less digits than its factorization.

12712771323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998035 (or 1998032 counting only the distinct ones).

The product of its digits is 24696, while the sum is 36.

The spelling of 12712771323 in words is "twelve billion, seven hundred twelve million, seven hundred seventy-one thousand, three hundred twenty-three".