12201199 has 4 divisors (see below), whose sum is σ = 12621960. Its totient is φ = 11780440.

The previous prime is 12201193. The next prime is 12201229. The reversal of 12201199 is 99110221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12201199 - 2³ = 12201191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201191) 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, 210337 + ... + 210394.

It is an arithmetic number, because the mean of its divisors is an integer number (3155490).

Almost surely, 2^12201199 is an apocalyptic number.

12201199 is a deficient number, since it is larger than the sum of its proper divisors (420761).

12201199 is an equidigital number, since it uses as much as digits as its factorization.

12201199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420760.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 12201199 is about 3493.0214714485. The cubic root of 12201199 is about 230.2152930546.

The spelling of 12201199 in words is "twelve million, two hundred one thousand, one hundred ninety-nine".