12716776512 has 84 divisors (see below), whose sum is σ = 39764031216. Its totient is φ = 3853566720.

The previous prime is 12716776483. The next prime is 12716776517. The reversal of 12716776512 is 21567761721.

12716776512 is a `hidden beast` number, since 1 + 2 + 7 + 1 + 67 + 76 + 512 = 666.

It is a super-2 number, since 2×12716776512² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12716776517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 997198 + ... + 1009869.

It is an arithmetic number, because the mean of its divisors is an integer number (473381324).

Almost surely, 2^12716776512 is an apocalyptic number.

12716776512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12716776512 is an abundant number, since it is smaller than the sum of its proper divisors (27047254704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12716776512 is a wasteful number, since it uses less digits than its factorization.

12716776512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007096 (or 2007083 counting only the distinct ones).

The product of its digits is 246960, while the sum is 45.

The spelling of 12716776512 in words is "twelve billion, seven hundred sixteen million, seven hundred seventy-six thousand, five hundred twelve".