12102394459 has 2 divisors, whose sum is σ = 12102394460. Its totient is φ = 12102394458.

The previous prime is 12102394439. The next prime is 12102394481. The reversal of 12102394459 is 95449320121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12102394459 - 2⁷ = 12102394331 is a prime.

It is not a weakly prime, because it can be changed into another prime (12102394439) 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, 6051197229 + 6051197230.

It is an arithmetic number, because the mean of its divisors is an integer number (6051197230).

Almost surely, 2^12102394459 is an apocalyptic number.

12102394459 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102394459 is an equidigital number, since it uses as much as digits as its factorization.

12102394459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 12102394459 in words is "twelve billion, one hundred two million, three hundred ninety-four thousand, four hundred fifty-nine".