12680727125305 has 16 divisors (see below), whose sum is σ = 15514566724800. Its totient is φ = 9947002941760.

The previous prime is 12680727125293. The next prime is 12680727125309. The reversal of 12680727125305 is 50352172708621.

It is not a de Polignac number, because 12680727125305 - 2¹¹ = 12680727123257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12680727125309) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 55136551 + ... + 55366060.

It is an arithmetic number, because the mean of its divisors is an integer number (969660420300).

Almost surely, 2^{12680727125305} is an apocalyptic number.

It is an amenable number.

12680727125305 is a deficient number, since it is larger than the sum of its proper divisors (2833839599495).

12680727125305 is a wasteful number, since it uses less digits than its factorization.

12680727125305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110503064.

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 12680727125305 in words is "twelve trillion, six hundred eighty billion, seven hundred twenty-seven million, one hundred twenty-five thousand, three hundred five".