12005509004 has 48 divisors (see below), whose sum is σ = 22984206336. Its totient is φ = 5462380800.

The previous prime is 12005508979. The next prime is 12005509007. The reversal of 12005509004 is 40090550021.

12005509004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12005509007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3250799 + ... + 3254489.

It is an arithmetic number, because the mean of its divisors is an integer number (478837632).

Almost surely, 2^12005509004 is an apocalyptic number.

It is an amenable number.

12005509004 is a deficient number, since it is larger than the sum of its proper divisors (10978697332).

12005509004 is a wasteful number, since it uses less digits than its factorization.

12005509004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5286 (or 5284 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 12005509004 in words is "twelve billion, five million, five hundred nine thousand, four".