12112019 has 2 divisors, whose sum is σ = 12112020. Its totient is φ = 12112018.

The previous prime is 12112013. The next prime is 12112027. The reversal of 12112019 is 91021121.

12112019 is digitally balanced in base 3, 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 12112019 - 2²⁰ = 11063443 is a prime.

It is a super-2 number, since 2×12112019² = 293402008512722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12111988 and 12112006.

It is not a weakly prime, because it can be changed into another prime (12112013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056009 + 6056010.

It is an arithmetic number, because the mean of its divisors is an integer number (6056010).

Almost surely, 2^12112019 is an apocalyptic number.

12112019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112019 is an equidigital number, since it uses as much as digits as its factorization.

12112019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 12112019 is about 3480.2326071687. The cubic root of 12112019 is about 229.6530307137.

The spelling of 12112019 in words is "twelve million, one hundred twelve thousand, nineteen".