12099505673 has 2 divisors, whose sum is σ = 12099505674. Its totient is φ = 12099505672.

The previous prime is 12099505667. The next prime is 12099505681. The reversal of 12099505673 is 37650599021.

12099505673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9092957449 + 3006548224 = 95357^2 + 54832^2 .

It is a cyclic number.

It is not a de Polignac number, because 12099505673 - 2⁶ = 12099505609 is a prime.

It is not a weakly prime, because it can be changed into another prime (12099525673) 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 as a sum of consecutive naturals, namely, 6049752836 + 6049752837.

It is an arithmetic number, because the mean of its divisors is an integer number (6049752837).

Almost surely, 2^12099505673 is an apocalyptic number.

It is an amenable number.

12099505673 is a deficient number, since it is larger than the sum of its proper divisors (1).

12099505673 is an equidigital number, since it uses as much as digits as its factorization.

12099505673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 510300, while the sum is 47.

The spelling of 12099505673 in words is "twelve billion, ninety-nine million, five hundred five thousand, six hundred seventy-three".