12676772520 has 96 divisors (see below), whose sum is σ = 41814508320. Its totient is φ = 3330011520.

The previous prime is 12676772497. The next prime is 12676772539. The reversal of 12676772520 is 2527767621.

12676772520 is a `hidden beast` number, since 1 + 2 + 67 + 67 + 7 + 2 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238666 + ... + 286905.

It is an arithmetic number, because the mean of its divisors is an integer number (435567795).

Almost surely, 2^12676772520 is an apocalyptic number.

12676772520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12676772520 is an abundant number, since it is smaller than the sum of its proper divisors (29137735800).

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

12676772520 is a wasteful number, since it uses less digits than its factorization.

12676772520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525655 (or 525648 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 12676772520 in words is "twelve billion, six hundred seventy-six million, seven hundred seventy-two thousand, five hundred twenty".