12305857417 has 32 divisors (see below), whose sum is σ = 15356708352. Its totient is φ = 9631125504.

The previous prime is 12305857339. The next prime is 12305857451. The reversal of 12305857417 is 71475850321.

It is not a de Polignac number, because 12305857417 - 2¹⁹ = 12305333129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12305857457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296233 + ... + 335209.

It is an arithmetic number, because the mean of its divisors is an integer number (479897136).

Almost surely, 2^12305857417 is an apocalyptic number.

It is an amenable number.

12305857417 is a deficient number, since it is larger than the sum of its proper divisors (3050850935).

12305857417 is a wasteful number, since it uses less digits than its factorization.

12305857417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39097.

The product of its (nonzero) digits is 235200, while the sum is 43.

The spelling of 12305857417 in words is "twelve billion, three hundred five million, eight hundred fifty-seven thousand, four hundred seventeen".