12012104004 has 24 divisors (see below), whose sum is σ = 28075051200. Its totient is φ = 3997347744.

The previous prime is 12012104003. The next prime is 12012104011. The reversal of 12012104004 is 40040121021.

12012104004 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 (12012104003) 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 7 ways as a sum of consecutive naturals, for example, 828379 + ... + 842754.

It is an arithmetic number, because the mean of its divisors is an integer number (1169793800).

Almost surely, 2^12012104004 is an apocalyptic number.

It is an amenable number.

12012104004 is an abundant number, since it is smaller than the sum of its proper divisors (16062947196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12012104004 is a wasteful number, since it uses less digits than its factorization.

12012104004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671739 (or 1671737 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12012104004 its reverse (40040121021), we get a palindrome (52052225025).

The spelling of 12012104004 in words is "twelve billion, twelve million, one hundred four thousand, four".