12766273276401 has 16 divisors (see below), whose sum is σ = 20025526708800. Its totient is φ = 8010210682944.

The previous prime is 12766273276397. The next prime is 12766273276403. The reversal of 12766273276401 is 10467237266721.

12766273276401 is a `hidden beast` number, since 1 + 2 + 7 + 6 + 627 + 3 + 2 + 7 + 6 + 4 + 0 + 1 = 666.

12766273276401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12766273276401 - 2² = 12766273276397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12766273276403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13906615311 + ... + 13906616228.

It is an arithmetic number, because the mean of its divisors is an integer number (1251595419300).

Almost surely, 2^{12766273276401} is an apocalyptic number.

It is an amenable number.

12766273276401 is a deficient number, since it is larger than the sum of its proper divisors (7259253432399).

12766273276401 is a wasteful number, since it uses less digits than its factorization.

12766273276401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27813231565 (or 27813231559 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 54.

The spelling of 12766273276401 in words is "twelve trillion, seven hundred sixty-six billion, two hundred seventy-three million, two hundred seventy-six thousand, four hundred one".