12118211 has 8 divisors (see below), whose sum is σ = 13896960. Its totient is φ = 10351368.

The previous prime is 12118207. The next prime is 12118237. The reversal of 12118211 is 11281121.

12118211 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12118211 - 2² = 12118207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12118211.

It is not an unprimeable number, because it can be changed into a prime (12118111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671 + ... + 4968.

It is an arithmetic number, because the mean of its divisors is an integer number (1737120).

Almost surely, 2^12118211 is an apocalyptic number.

12118211 is a deficient number, since it is larger than the sum of its proper divisors (1778749).

12118211 is an equidigital number, since it uses as much as digits as its factorization.

12118211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5953.

The product of its digits is 32, while the sum is 17.

The square root of 12118211 is about 3481.1220892120. The cubic root of 12118211 is about 229.6921590460.

Adding to 12118211 its reverse (11281121), we get a palindrome (23399332).

The spelling of 12118211 in words is "twelve million, one hundred eighteen thousand, two hundred eleven".