12184832321 has 2 divisors, whose sum is σ = 12184832322. Its totient is φ = 12184832320.

The previous prime is 12184832311. The next prime is 12184832371. The reversal of 12184832321 is 12323848121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10927775296 + 1257057025 = 104536^2 + 35455^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12184832321 is a prime.

It is not a weakly prime, because it can be changed into another prime (12184832311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6092416160 + 6092416161.

It is an arithmetic number, because the mean of its divisors is an integer number (6092416161).

Almost surely, 2^12184832321 is an apocalyptic number.

It is an amenable number.

12184832321 is a deficient number, since it is larger than the sum of its proper divisors (1).

12184832321 is an equidigital number, since it uses as much as digits as its factorization.

12184832321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 35.

The spelling of 12184832321 in words is "twelve billion, one hundred eighty-four million, eight hundred thirty-two thousand, three hundred twenty-one".