12132320243 has 2 divisors, whose sum is σ = 12132320244. Its totient is φ = 12132320242.

The previous prime is 12132320237. The next prime is 12132320261. The reversal of 12132320243 is 34202323121.

12132320243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12132320243 - 2⁸ = 12132319987 is a prime.

It is not a weakly prime, because it can be changed into another prime (12132820243) 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, 6066160121 + 6066160122.

It is an arithmetic number, because the mean of its divisors is an integer number (6066160122).

Almost surely, 2^12132320243 is an apocalyptic number.

12132320243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12132320243 is an equidigital number, since it uses as much as digits as its factorization.

12132320243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12132320243 its reverse (34202323121), we get a palindrome (46334643364).

The spelling of 12132320243 in words is "twelve billion, one hundred thirty-two million, three hundred twenty thousand, two hundred forty-three".