12085873123 has 2 divisors, whose sum is σ = 12085873124. Its totient is φ = 12085873122.

The previous prime is 12085873099. The next prime is 12085873157. The reversal of 12085873123 is 32137858021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12085873123 is a prime.

It is not a weakly prime, because it can be changed into another prime (12085870123) by changing a digit.

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 as a sum of consecutive naturals, namely, 6042936561 + 6042936562.

It is an arithmetic number, because the mean of its divisors is an integer number (6042936562).

Almost surely, 2^12085873123 is an apocalyptic number.

12085873123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12085873123 is an equidigital number, since it uses as much as digits as its factorization.

12085873123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 12085873123 in words is "twelve billion, eighty-five million, eight hundred seventy-three thousand, one hundred twenty-three".