12127019 has 2 divisors, whose sum is σ = 12127020. Its totient is φ = 12127018.

The previous prime is 12127007. The next prime is 12127043. The reversal of 12127019 is 91072121.

12127019 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 12127019 - 2²⁰ = 11078443 is a prime.

It is a super-2 number, since 2×12127019² = 294129179652722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12126985 and 12127003.

It is not a weakly prime, because it can be changed into another prime (12127319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6063509 + 6063510.

It is an arithmetic number, because the mean of its divisors is an integer number (6063510).

Almost surely, 2^12127019 is an apocalyptic number.

12127019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12127019 is an equidigital number, since it uses as much as digits as its factorization.

12127019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 12127019 is about 3482.3869687328. The cubic root of 12127019 is about 229.7477953818.

The spelling of 12127019 in words is "twelve million, one hundred twenty-seven thousand, nineteen".