12321608347 has 24 divisors (see below), whose sum is σ = 13538257920. Its totient is φ = 11200318080.

The previous prime is 12321608329. The next prime is 12321608371. The reversal of 12321608347 is 74380612321.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-12321608347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12321608447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5902938 + ... + 5905024.

It is an arithmetic number, because the mean of its divisors is an integer number (564094080).

Almost surely, 2^12321608347 is an apocalyptic number.

12321608347 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12321608347 is a deficient number, since it is larger than the sum of its proper divisors (1216649573).

12321608347 is a wasteful number, since it uses less digits than its factorization.

12321608347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811 (or 2794 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 12321608347 in words is "twelve billion, three hundred twenty-one million, six hundred eight thousand, three hundred forty-seven".