12307945309 has 8 divisors (see below), whose sum is σ = 13501861920. Its totient is φ = 11126530800.

The previous prime is 12307945271. The next prime is 12307945333. The reversal of 12307945309 is 90354970321.

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

It is a de Polignac number, because none of the positive numbers 2^k-12307945309 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 (12307945399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3123462 + ... + 3127399.

It is an arithmetic number, because the mean of its divisors is an integer number (1687732740).

Almost surely, 2^12307945309 is an apocalyptic number.

It is an amenable number.

12307945309 is a deficient number, since it is larger than the sum of its proper divisors (1193916611).

12307945309 is a wasteful number, since it uses less digits than its factorization.

12307945309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6251051.

The product of its (nonzero) digits is 204120, while the sum is 43.

The spelling of 12307945309 in words is "twelve billion, three hundred seven million, nine hundred forty-five thousand, three hundred nine".