12144053809 has 2 divisors, whose sum is σ = 12144053810. Its totient is φ = 12144053808.

The previous prime is 12144053791. The next prime is 12144053849. The reversal of 12144053809 is 90835044121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7096377600 + 5047676209 = 84240^2 + 71047^2 .

It is a cyclic number.

It is not a de Polignac number, because 12144053809 - 2⁷ = 12144053681 is a prime.

It is not a weakly prime, because it can be changed into another prime (12144053849) 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, 6072026904 + 6072026905.

It is an arithmetic number, because the mean of its divisors is an integer number (6072026905).

Almost surely, 2^12144053809 is an apocalyptic number.

It is an amenable number.

12144053809 is a deficient number, since it is larger than the sum of its proper divisors (1).

12144053809 is an equidigital number, since it uses as much as digits as its factorization.

12144053809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 12144053809 in words is "twelve billion, one hundred forty-four million, fifty-three thousand, eight hundred nine".