12266716044823 has 4 divisors (see below), whose sum is σ = 12266723704048. Its totient is φ = 12266708385600.

The previous prime is 12266716044811. The next prime is 12266716044857. The reversal of 12266716044823 is 32844061766221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12266716044823 - 2²¹ = 12266713947671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12266716044893) 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 3 ways as a sum of consecutive naturals, for example, 408603 + ... + 4969948.

It is an arithmetic number, because the mean of its divisors is an integer number (3066680926012).

Almost surely, 2^{12266716044823} is an apocalyptic number.

12266716044823 is a deficient number, since it is larger than the sum of its proper divisors (7659225).

12266716044823 is an equidigital number, since it uses as much as digits as its factorization.

12266716044823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7659224.

The product of its (nonzero) digits is 4644864, while the sum is 52.

The spelling of 12266716044823 in words is "twelve trillion, two hundred sixty-six billion, seven hundred sixteen million, forty-four thousand, eight hundred twenty-three".