12709727105 has 16 divisors (see below), whose sum is σ = 15348528000. Its totient is φ = 10103392128.

The previous prime is 12709727101. The next prime is 12709727117. The reversal of 12709727105 is 50172790721.

It is a happy number.

12709727105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12709727105 - 2² = 12709727101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12709727101) 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 15 ways as a sum of consecutive naturals, for example, 570404 + ... + 592266.

It is an arithmetic number, because the mean of its divisors is an integer number (959283000).

Almost surely, 2^12709727105 is an apocalyptic number.

It is an amenable number.

12709727105 is a deficient number, since it is larger than the sum of its proper divisors (2638800895).

12709727105 is a wasteful number, since it uses less digits than its factorization.

12709727105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22600.

The product of its (nonzero) digits is 61740, while the sum is 41.

The spelling of 12709727105 in words is "twelve billion, seven hundred nine million, seven hundred twenty-seven thousand, one hundred five".