12001020259 has 2 divisors, whose sum is σ = 12001020260. Its totient is φ = 12001020258.

The previous prime is 12001020191. The next prime is 12001020277. The reversal of 12001020259 is 95202010021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12001020259 - 2⁹ = 12001019747 is a prime.

It is not a weakly prime, because it can be changed into another prime (12001023259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000510129 + 6000510130.

It is an arithmetic number, because the mean of its divisors is an integer number (6000510130).

Almost surely, 2^12001020259 is an apocalyptic number.

12001020259 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001020259 is an equidigital number, since it uses as much as digits as its factorization.

12001020259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

The spelling of 12001020259 in words is "twelve billion, one million, twenty thousand, two hundred fifty-nine".