12012003221304 has 32 divisors (see below), whose sum is σ = 30031552149120. Its totient is φ = 4003795194336.

The previous prime is 12012003221297. The next prime is 12012003221327. The reversal of 12012003221304 is 40312230021021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12390622 + ... + 13324845.

It is an arithmetic number, because the mean of its divisors is an integer number (938486004660).

Almost surely, 2^{12012003221304} is an apocalyptic number.

It is an amenable number.

12012003221304 is an abundant number, since it is smaller than the sum of its proper divisors (18019548927816).

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

12012003221304 is a wasteful number, since it uses less digits than its factorization.

12012003221304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25734939 (or 25734935 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12012003221304 its reverse (40312230021021), we get a palindrome (52324233242325).

The spelling of 12012003221304 in words is "twelve trillion, twelve billion, three million, two hundred twenty-one thousand, three hundred four".