12454216364065 has 16 divisors (see below), whose sum is σ = 17443473864192. Its totient is φ = 8358331224384.

The previous prime is 12454216364017. The next prime is 12454216364087. The reversal of 12454216364065 is 56046361245421.

It is a cyclic number.

It is not a de Polignac number, because 12454216364065 - 2²⁵ = 12454182809633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3785474454 + ... + 3785477743.

It is an arithmetic number, because the mean of its divisors is an integer number (1090217116512).

Almost surely, 2^{12454216364065} is an apocalyptic number.

It is an amenable number.

12454216364065 is a deficient number, since it is larger than the sum of its proper divisors (4989257500127).

12454216364065 is an equidigital number, since it uses as much as digits as its factorization.

12454216364065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7570952256.

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 12454216364065 in words is "twelve trillion, four hundred fifty-four billion, two hundred sixteen million, three hundred sixty-four thousand, sixty-five".