12118822 has 8 divisors (see below), whose sum is σ = 18225216. Its totient is φ = 6043752.

The previous prime is 12118817. The next prime is 12118829. The reversal of 12118822 is 22881121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12118829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6838 + ... + 8425.

It is an arithmetic number, because the mean of its divisors is an integer number (2278152).

Almost surely, 2^12118822 is an apocalyptic number.

12118822 is a deficient number, since it is larger than the sum of its proper divisors (6106394).

12118822 is a wasteful number, since it uses less digits than its factorization.

12118822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15662.

The product of its digits is 512, while the sum is 25.

The square root of 12118822 is about 3481.2098471652. The cubic root of 12118822 is about 229.6960193394.

Adding to 12118822 its reverse (22881121), we get a palindrome (34999943).

The spelling of 12118822 in words is "twelve million, one hundred eighteen thousand, eight hundred twenty-two".