12682696256 has 28 divisors (see below), whose sum is σ = 25209177420. Its totient is φ = 6330777600.

The previous prime is 12682696253. The next prime is 12682696277. The reversal of 12682696256 is 65269628621.

12682696256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10493953600 + 2188742656 = 102440^2 + 46784^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12682696198 and 12682696207.

It is not an unprimeable number, because it can be changed into a prime (12682696253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126401 + ... + 203328.

It is an arithmetic number, because the mean of its divisors is an integer number (900327765).

Almost surely, 2^12682696256 is an apocalyptic number.

12682696256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12682696256 is a deficient number, since it is larger than the sum of its proper divisors (12526481164).

12682696256 is an equidigital number, since it uses as much as digits as its factorization.

12682696256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330342 (or 330332 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 53.

The spelling of 12682696256 in words is "twelve billion, six hundred eighty-two million, six hundred ninety-six thousand, two hundred fifty-six".