12303047424 has 144 divisors (see below), whose sum is σ = 34811707392. Its totient is φ = 3844030464.

The previous prime is 12303047417. The next prime is 12303047437. The reversal of 12303047424 is 42474030321.

It is a junction number, because it is equal to n+sod(n) for n = 12303047391 and 12303047400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3431937 + ... + 3435519.

It is an arithmetic number, because the mean of its divisors is an integer number (241747968).

Almost surely, 2^12303047424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12303047424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17405853696).

12303047424 is an abundant number, since it is smaller than the sum of its proper divisors (22508659968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12303047424 is a wasteful number, since it uses less digits than its factorization.

12303047424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3882 (or 3868 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

Adding to 12303047424 its reverse (42474030321), we get a palindrome (54777077745).

The spelling of 12303047424 in words is "twelve billion, three hundred three million, forty-seven thousand, four hundred twenty-four".