12042262 has 8 divisors (see below), whose sum is σ = 18078192. Its totient is φ = 6016200.

The previous prime is 12042253. The next prime is 12042263. The reversal of 12042262 is 26224021.

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 (12042263) by changing a digit.

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, 3087 + ... + 5797.

It is an arithmetic number, because the mean of its divisors is an integer number (2259774).

Almost surely, 2^12042262 is an apocalyptic number.

12042262 is a deficient number, since it is larger than the sum of its proper divisors (6035930).

12042262 is a wasteful number, since it uses less digits than its factorization.

12042262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 12042262 is about 3470.1962480528. The cubic root of 12042262 is about 229.2112997951.

Adding to 12042262 its reverse (26224021), we get a palindrome (38266283).

The spelling of 12042262 in words is "twelve million, forty-two thousand, two hundred sixty-two".