12105898759 has 2 divisors, whose sum is σ = 12105898760. Its totient is φ = 12105898758.

The previous prime is 12105898741. The next prime is 12105898769. The reversal of 12105898759 is 95789850121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12105898759 - 2⁷ = 12105898631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12105898709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6052949379 + 6052949380.

It is an arithmetic number, because the mean of its divisors is an integer number (6052949380).

Almost surely, 2^12105898759 is an apocalyptic number.

12105898759 is a deficient number, since it is larger than the sum of its proper divisors (1).

12105898759 is an equidigital number, since it uses as much as digits as its factorization.

12105898759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 55.

The spelling of 12105898759 in words is "twelve billion, one hundred five million, eight hundred ninety-eight thousand, seven hundred fifty-nine".