12011199 has 16 divisors (see below), whose sum is σ = 16552800. Its totient is φ = 7741440.

The previous prime is 12011189. The next prime is 12011203. The reversal of 12011199 is 99111021.

12011199 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12011199 - 2⁴ = 12011183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26527 + ... + 26975.

It is an arithmetic number, because the mean of its divisors is an integer number (1034550).

Almost surely, 2^12011199 is an apocalyptic number.

12011199 is a deficient number, since it is larger than the sum of its proper divisors (4541601).

12011199 is a wasteful number, since it uses less digits than its factorization.

12011199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730.

The product of its (nonzero) digits is 162, while the sum is 24.

The square root of 12011199 is about 3465.7176745950. The cubic root of 12011199 is about 229.0140466712.

The spelling of 12011199 in words is "twelve million, eleven thousand, one hundred ninety-nine".