12432110235509 has 2 divisors, whose sum is σ = 12432110235510. Its totient is φ = 12432110235508.

The previous prime is 12432110235499. The next prime is 12432110235557. The reversal of 12432110235509 is 90553201123421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8372469564484 + 4059640671025 = 2893522^2 + 2014855^2 .

It is a cyclic number.

It is not a de Polignac number, because 12432110235509 - 2³² = 12427815268213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12432110205509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6216055117754 + 6216055117755.

It is an arithmetic number, because the mean of its divisors is an integer number (6216055117755).

Almost surely, 2^{12432110235509} is an apocalyptic number.

It is an amenable number.

12432110235509 is a deficient number, since it is larger than the sum of its proper divisors (1).

12432110235509 is an equidigital number, since it uses as much as digits as its factorization.

12432110235509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 12432110235509 in words is "twelve trillion, four hundred thirty-two billion, one hundred ten million, two hundred thirty-five thousand, five hundred nine".