12043219 has 2 divisors, whose sum is σ = 12043220. Its totient is φ = 12043218.

The previous prime is 12043211. The next prime is 12043267. The reversal of 12043219 is 91234021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12043219 - 2³ = 12043211 is a prime.

It is a super-2 number, since 2×12043219² = 290078247763922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12043219.

It is not a weakly prime, because it can be changed into another prime (12043211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6021609 + 6021610.

It is an arithmetic number, because the mean of its divisors is an integer number (6021610).

Almost surely, 2^12043219 is an apocalyptic number.

12043219 is a deficient number, since it is larger than the sum of its proper divisors (1).

12043219 is an equidigital number, since it uses as much as digits as its factorization.

12043219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 12043219 is about 3470.3341337687. The cubic root of 12043219 is about 229.2173714507.

The spelling of 12043219 in words is "twelve million, forty-three thousand, two hundred nineteen".