12000199 has 4 divisors (see below), whose sum is σ = 12051936. Its totient is φ = 11948464.

The previous prime is 12000133. The next prime is 12000239. The reversal of 12000199 is 99100021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99100021 = 17 ⋅5829413.

It is a cyclic number.

It is not a de Polignac number, because 12000199 - 2¹⁹ = 11475911 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25519 + ... + 25984.

It is an arithmetic number, because the mean of its divisors is an integer number (3012984).

Almost surely, 2^12000199 is an apocalyptic number.

12000199 is a deficient number, since it is larger than the sum of its proper divisors (51737).

12000199 is an equidigital number, since it uses as much as digits as its factorization.

12000199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51736.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 12000199 is about 3464.1303381946. The cubic root of 12000199 is about 228.9441140489.

The spelling of 12000199 in words is "twelve million, one hundred ninety-nine", and thus it is an aban number.