12305604336 has 80 divisors (see below), whose sum is σ = 33193411200. Its totient is φ = 3923363584.

The previous prime is 12305604317. The next prime is 12305604403. The reversal of 12305604336 is 63340650321.

It is a junction number, because it is equal to n+sod(n) for n = 12305604297 and 12305604306.

It is a congruent number.

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, 107635 + ... + 190253.

It is an arithmetic number, because the mean of its divisors is an integer number (414917640).

Almost surely, 2^12305604336 is an apocalyptic number.

12305604336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12305604336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16596705600).

12305604336 is an abundant number, since it is smaller than the sum of its proper divisors (20887806864).

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

12305604336 is a wasteful number, since it uses less digits than its factorization.

12305604336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82766 (or 82760 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 33.

The spelling of 12305604336 in words is "twelve billion, three hundred five million, six hundred four thousand, three hundred thirty-six".