12133042 has 4 divisors (see below), whose sum is σ = 18199566. Its totient is φ = 6066520.

The previous prime is 12133031. The next prime is 12133061. The reversal of 12133042 is 24033121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6558721 + 5574321 = 2561^2 + 2361^2 .

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 as a sum of consecutive naturals, namely, 3033259 + ... + 3033262.

Almost surely, 2^12133042 is an apocalyptic number.

12133042 is a deficient number, since it is larger than the sum of its proper divisors (6066524).

12133042 is an equidigital number, since it uses as much as digits as its factorization.

12133042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6066523.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 12133042 is about 3483.2516417853. The cubic root of 12133042 is about 229.7858245668.

Adding to 12133042 its reverse (24033121), we get a palindrome (36166163).

The spelling of 12133042 in words is "twelve million, one hundred thirty-three thousand, forty-two".