12453109321 has 2 divisors, whose sum is σ = 12453109322. Its totient is φ = 12453109320.

The previous prime is 12453109289. The next prime is 12453109349. The reversal of 12453109321 is 12390135421.

12453109321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8758900921 + 3694208400 = 93589^2 + 60780^2 .

It is a cyclic number.

It is not a de Polignac number, because 12453109321 - 2⁵ = 12453109289 is a prime.

It is not a weakly prime, because it can be changed into another prime (12453109021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6226554660 + 6226554661.

It is an arithmetic number, because the mean of its divisors is an integer number (6226554661).

Almost surely, 2^12453109321 is an apocalyptic number.

It is an amenable number.

12453109321 is a deficient number, since it is larger than the sum of its proper divisors (1).

12453109321 is an equidigital number, since it uses as much as digits as its factorization.

12453109321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 12453109321 in words is "twelve billion, four hundred fifty-three million, one hundred nine thousand, three hundred twenty-one".