12012004 has 24 divisors (see below), whose sum is σ = 22012928. Its totient is φ = 5728320.

The previous prime is 12011983. The next prime is 12012017. The reversal of 12012004 is 40021021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8389 + ... + 9715.

Almost surely, 2^12012004 is an apocalyptic number.

It is an amenable number.

12012004 is a deficient number, since it is larger than the sum of its proper divisors (10000924).

12012004 is a wasteful number, since it uses less digits than its factorization.

12012004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435 (or 1433 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 12012004 is about 3465.8338102108. The cubic root of 12012004 is about 229.0191627907.

Adding to 12012004 its reverse (40021021), we get a palindrome (52033025).

The spelling of 12012004 in words is "twelve million, twelve thousand, four".