12232123019 has 2 divisors, whose sum is σ = 12232123020. Its totient is φ = 12232123018.

The previous prime is 12232122943. The next prime is 12232123109. The reversal of 12232123019 is 91032123221.

12232123019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (12232123109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12232123019 - 2¹² = 12232118923 is a prime.

It is a super-2 number, since 2×12232123019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12232123219) 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, 6116061509 + 6116061510.

It is an arithmetic number, because the mean of its divisors is an integer number (6116061510).

Almost surely, 2^12232123019 is an apocalyptic number.

12232123019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12232123019 is an equidigital number, since it uses as much as digits as its factorization.

12232123019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 12232123019 in words is "twelve billion, two hundred thirty-two million, one hundred twenty-three thousand, nineteen".