12304512889 has 2 divisors, whose sum is σ = 12304512890. Its totient is φ = 12304512888.

The previous prime is 12304512859. The next prime is 12304512919. The reversal of 12304512889 is 98821540321.

It is a balanced prime because it is at equal distance from previous prime (12304512859) and next prime (12304512919).

It can be written as a sum of positive squares in only one way, i.e., 10540512889 + 1764000000 = 102667^2 + 42000^2 .

It is a cyclic number.

It is not a de Polignac number, because 12304512889 - 2²¹ = 12302415737 is a prime.

It is not a weakly prime, because it can be changed into another prime (12304512859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6152256444 + 6152256445.

It is an arithmetic number, because the mean of its divisors is an integer number (6152256445).

Almost surely, 2^12304512889 is an apocalyptic number.

It is an amenable number.

12304512889 is a deficient number, since it is larger than the sum of its proper divisors (1).

12304512889 is an equidigital number, since it uses as much as digits as its factorization.

12304512889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 12304512889 in words is "twelve billion, three hundred four million, five hundred twelve thousand, eight hundred eighty-nine".