12105899783 has 2 divisors, whose sum is σ = 12105899784. Its totient is φ = 12105899782.

The previous prime is 12105899777. The next prime is 12105899789. The reversal of 12105899783 is 38799850121.

It is a happy number.

12105899783 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (12105899777) and next prime (12105899789).

It is a cyclic number.

It is not a de Polignac number, because 12105899783 - 2¹⁰ = 12105898759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12105899789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6052949891 + 6052949892.

It is an arithmetic number, because the mean of its divisors is an integer number (6052949892).

Almost surely, 2^12105899783 is an apocalyptic number.

12105899783 is a deficient number, since it is larger than the sum of its proper divisors (1).

12105899783 is an equidigital number, since it uses as much as digits as its factorization.

12105899783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 53.

The spelling of 12105899783 in words is "twelve billion, one hundred five million, eight hundred ninety-nine thousand, seven hundred eighty-three".