12118282 has 8 divisors (see below), whose sum is σ = 19829952. Its totient is φ = 5508300.

The previous prime is 12118279. The next prime is 12118313. The reversal of 12118282 is 28281121.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275394 + ... + 275437.

It is an arithmetic number, because the mean of its divisors is an integer number (2478744).

Almost surely, 2^12118282 is an apocalyptic number.

12118282 is a deficient number, since it is larger than the sum of its proper divisors (7711670).

12118282 is a wasteful number, since it uses less digits than its factorization.

12118282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550844.

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

The square root of 12118282 is about 3481.1322870583. The cubic root of 12118282 is about 229.6926076301.

It can be divided in two parts, 121 and 18282, that multiplied together give a palindrome (2212122).

The spelling of 12118282 in words is "twelve million, one hundred eighteen thousand, two hundred eighty-two".