12116725776 has 45 divisors (see below), whose sum is σ = 33913700509. Its totient is φ = 4038468288.

The previous prime is 12116725759. The next prime is 12116725781. The reversal of 12116725776 is 67752761121.

The square root of 12116725776 is 110076.

It is a perfect power (a square), and thus also a powerful number.

12116725776 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 6 + 72 + 577 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 317552400 + 11799173376 = 17820^2 + 108624^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1316326 + ... + 1325498.

Almost surely, 2^12116725776 is an apocalyptic number.

12116725776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

12116725776 is the 110076-th square number.

It is an amenable number.

12116725776 is an abundant number, since it is smaller than the sum of its proper divisors (21796974733).

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

12116725776 is an frugal number, since it uses more digits than its factorization.

12116725776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18360 (or 9178 counting only the distinct ones).

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

The spelling of 12116725776 in words is "twelve billion, one hundred sixteen million, seven hundred twenty-five thousand, seven hundred seventy-six".