12143204 has 12 divisors (see below), whose sum is σ = 22369200. Its totient is φ = 5752008.

The previous prime is 12143189. The next prime is 12143221. The reversal of 12143204 is 40234121.

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, 79814 + ... + 79965.

It is an arithmetic number, because the mean of its divisors is an integer number (1864100).

Almost surely, 2^12143204 is an apocalyptic number.

It is an amenable number.

12143204 is a deficient number, since it is larger than the sum of its proper divisors (10225996).

12143204 is a wasteful number, since it uses less digits than its factorization.

12143204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159802 (or 159800 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 12143204 is about 3484.7100309782. The cubic root of 12143204 is about 229.8499588523.

Adding to 12143204 its reverse (40234121), we get a palindrome (52377325).

The spelling of 12143204 in words is "twelve million, one hundred forty-three thousand, two hundred four".