12134455709 has 2 divisors, whose sum is σ = 12134455710. Its totient is φ = 12134455708.

The previous prime is 12134455691. The next prime is 12134455757. The reversal of 12134455709 is 90755443121.

12134455709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9413268484 + 2721187225 = 97022^2 + 52165^2 .

It is a cyclic number.

It is not a de Polignac number, because 12134455709 - 2²⁰ = 12133407133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12134455009) 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, 6067227854 + 6067227855.

It is an arithmetic number, because the mean of its divisors is an integer number (6067227855).

Almost surely, 2^12134455709 is an apocalyptic number.

It is an amenable number.

12134455709 is a deficient number, since it is larger than the sum of its proper divisors (1).

12134455709 is an equidigital number, since it uses as much as digits as its factorization.

12134455709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 12134455709 in words is "twelve billion, one hundred thirty-four million, four hundred fifty-five thousand, seven hundred nine".