12301231099 has 2 divisors, whose sum is σ = 12301231100. Its totient is φ = 12301231098.

The previous prime is 12301231091. The next prime is 12301231109. The reversal of 12301231099 is 99013210321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12301231099 - 2³ = 12301231091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12301231099.

It is not a weakly prime, because it can be changed into another prime (12301231091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6150615549 + 6150615550.

It is an arithmetic number, because the mean of its divisors is an integer number (6150615550).

Almost surely, 2^12301231099 is an apocalyptic number.

12301231099 is a deficient number, since it is larger than the sum of its proper divisors (1).

12301231099 is an equidigital number, since it uses as much as digits as its factorization.

12301231099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 31.

The spelling of 12301231099 in words is "twelve billion, three hundred one million, two hundred thirty-one thousand, ninety-nine".