12452320269 has 20 divisors (see below), whose sum is σ = 18624649120. Its totient is φ = 8291266920.

The previous prime is 12452320229. The next prime is 12452320337. The reversal of 12452320269 is 96202325421.

12452320269 is a `hidden beast` number, since 1 + 24 + 52 + 320 + 269 = 666.

12452320269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12452320269 - 2⁹ = 12452319757 is a prime.

It is a super-2 number, since 2×12452320269² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12452320229) 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 in 19 ways as a sum of consecutive naturals, for example, 29089 + ... + 160470.

It is an arithmetic number, because the mean of its divisors is an integer number (931232456).

Almost surely, 2^12452320269 is an apocalyptic number.

It is an amenable number.

12452320269 is a deficient number, since it is larger than the sum of its proper divisors (6172328851).

12452320269 is an equidigital number, since it uses as much as digits as its factorization.

12452320269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190382 (or 190373 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 12452320269 in words is "twelve billion, four hundred fifty-two million, three hundred twenty thousand, two hundred sixty-nine".