12740766868817 has 8 divisors (see below), whose sum is σ = 13749470595840. Its totient is φ = 11736155247120.

The previous prime is 12740766868799. The next prime is 12740766868831. The reversal of 12740766868817 is 71886866704721.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12740766868817 - 2¹⁴ = 12740766852433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12740766828817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1023019859 + ... + 1023032312.

It is an arithmetic number, because the mean of its divisors is an integer number (1718683824480).

Almost surely, 2^{12740766868817} is an apocalyptic number.

It is an amenable number.

12740766868817 is a deficient number, since it is larger than the sum of its proper divisors (1008703727023).

12740766868817 is a wasteful number, since it uses less digits than its factorization.

12740766868817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046052663.

The product of its (nonzero) digits is 303464448, while the sum is 71.

The spelling of 12740766868817 in words is "twelve trillion, seven hundred forty billion, seven hundred sixty-six million, eight hundred sixty-eight thousand, eight hundred seventeen".