12680546081744 has 20 divisors (see below), whose sum is σ = 25032115733796. Its totient is φ = 6220645247232.

The previous prime is 12680546081717. The next prime is 12680546081773. The reversal of 12680546081744 is 44718064508621.

It can be written as a sum of positive squares in 2 ways, for example, as 8979539641744 + 3701006440000 = 2996588^2 + 1923800^2 .

It is a super-2 number, since 2×12680546081744² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12680546081744.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7476736229 + ... + 7476737924.

Almost surely, 2^{12680546081744} is an apocalyptic number.

It is an amenable number.

12680546081744 is a deficient number, since it is larger than the sum of its proper divisors (12351569652052).

12680546081744 is a wasteful number, since it uses less digits than its factorization.

12680546081744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14953474214 (or 14953474208 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 56.

The spelling of 12680546081744 in words is "twelve trillion, six hundred eighty billion, five hundred forty-six million, eighty-one thousand, seven hundred forty-four".