12004003142 has 16 divisors (see below), whose sum is σ = 18337182192. Its totient is φ = 5892221280.

The previous prime is 12004003111. The next prime is 12004003159. The reversal of 12004003142 is 24130040021.

It is a self number, because there is not a number n which added to its sum of digits gives 12004003142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113609 + ... + 192132.

It is an arithmetic number, because the mean of its divisors is an integer number (1146073887).

Almost surely, 2^12004003142 is an apocalyptic number.

12004003142 is a deficient number, since it is larger than the sum of its proper divisors (6333179050).

12004003142 is a wasteful number, since it uses less digits than its factorization.

12004003142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306103.

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

Adding to 12004003142 its reverse (24130040021), we get a palindrome (36134043163).

The spelling of 12004003142 in words is "twelve billion, four million, three thousand, one hundred forty-two".