12232019 has 2 divisors, whose sum is σ = 12232020. Its totient is φ = 12232018.

The previous prime is 12232013. The next prime is 12232039. The reversal of 12232019 is 91023221.

It is an a-pointer prime, because the next prime (12232039) can be obtained adding 12232019 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12232019 is a prime.

It is a super-2 number, since 2×12232019² = 299244577632722, which contains 22 as substring.

It is a Chen prime.

It is equal to p₈₀₂₂₇₁ and since 12232019 and 802271 have the same sum of digits, it is a Honaker prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (12232013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6116009 + 6116010.

It is an arithmetic number, because the mean of its divisors is an integer number (6116010).

Almost surely, 2^12232019 is an apocalyptic number.

12232019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12232019 is an equidigital number, since it uses as much as digits as its factorization.

12232019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 12232019 is about 3497.4303424086. The cubic root of 12232019 is about 230.4089699098.

The spelling of 12232019 in words is "twelve million, two hundred thirty-two thousand, nineteen".