12120338 has 16 divisors (see below), whose sum is σ = 18869760. Its totient is φ = 5834400.

The previous prime is 12120307. The next prime is 12120343. The reversal of 12120338 is 83302121.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 5543 + ... + 7413.

It is an arithmetic number, because the mean of its divisors is an integer number (1179360).

Almost surely, 2^12120338 is an apocalyptic number.

12120338 is a deficient number, since it is larger than the sum of its proper divisors (6749422).

12120338 is a wasteful number, since it uses less digits than its factorization.

12120338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 12120338 is about 3481.4275807490. The cubic root of 12120338 is about 229.7055968557.

Adding to 12120338 its reverse (83302121), we get a palindrome (95422459).

The spelling of 12120338 in words is "twelve million, one hundred twenty thousand, three hundred thirty-eight".