12305044309 has 8 divisors (see below), whose sum is σ = 12953700000. Its totient is φ = 11656490832.

The previous prime is 12305044289. The next prime is 12305044327. The reversal of 12305044309 is 90344050321.

12305044309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12305044309 - 2⁷ = 12305044181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12305044369) 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 7 ways as a sum of consecutive naturals, for example, 429567 + ... + 457315.

It is an arithmetic number, because the mean of its divisors is an integer number (1619212500).

Almost surely, 2^12305044309 is an apocalyptic number.

12305044309 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12305044309 is a deficient number, since it is larger than the sum of its proper divisors (648655691).

12305044309 is a wasteful number, since it uses less digits than its factorization.

12305044309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51107.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 12305044309 in words is "twelve billion, three hundred five million, forty-four thousand, three hundred nine".