12305239976 has 16 divisors (see below), whose sum is σ = 23097776640. Its totient is φ = 6145832880.

The previous prime is 12305239957. The next prime is 12305239979. The reversal of 12305239976 is 67993250321.

It is a self number, because there is not a number n which added to its sum of digits gives 12305239976.

It is not an unprimeable number, because it can be changed into a prime (12305239979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840680 + ... + 855191.

It is an arithmetic number, because the mean of its divisors is an integer number (1443611040).

Almost surely, 2^12305239976 is an apocalyptic number.

It is an amenable number.

12305239976 is a deficient number, since it is larger than the sum of its proper divisors (10792536664).

12305239976 is a wasteful number, since it uses less digits than its factorization.

12305239976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696784 (or 1696780 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 47.

The spelling of 12305239976 in words is "twelve billion, three hundred five million, two hundred thirty-nine thousand, nine hundred seventy-six".