12705361228799 has 6 divisors (see below), whose sum is σ = 13022806305840. Its totient is φ = 12395474367920.

The previous prime is 12705361228783. The next prime is 12705361228801. The reversal of 12705361228799 is 99782216350721.

It is not a de Polignac number, because 12705361228799 - 2⁴ = 12705361228783 is a prime.

It is a super-2 number, since 2×12705361228799² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12705361228739) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3779106359 + ... + 3779109720.

It is an arithmetic number, because the mean of its divisors is an integer number (2170467717640).

Almost surely, 2^{12705361228799} is an apocalyptic number.

12705361228799 is a deficient number, since it is larger than the sum of its proper divisors (317445077041).

12705361228799 is an frugal number, since it uses more digits than its factorization.

12705361228799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7558216161 (or 7558216120 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 62.

The spelling of 12705361228799 in words is "twelve trillion, seven hundred five billion, three hundred sixty-one million, two hundred twenty-eight thousand, seven hundred ninety-nine".