12120003121304 has 64 divisors (see below), whose sum is σ = 25789973711040. Its totient is φ = 5297660121600.

The previous prime is 12120003121273. The next prime is 12120003121349. The reversal of 12120003121304 is 40312130002121.

It is a super-3 number, since 3×12120003121304³ (a number of 40 digits) contains 333 as substring.

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 15 ways as a sum of consecutive naturals, for example, 24842027 + ... + 25325210.

It is an arithmetic number, because the mean of its divisors is an integer number (402968339235).

Almost surely, 2^{12120003121304} is an apocalyptic number.

It is an amenable number.

12120003121304 is an abundant number, since it is smaller than the sum of its proper divisors (13669970589736).

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

12120003121304 is a wasteful number, since it uses less digits than its factorization.

12120003121304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50167380 (or 50167376 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12120003121304 its reverse (40312130002121), we get a palindrome (52432133123425).

The spelling of 12120003121304 in words is "twelve trillion, one hundred twenty billion, three million, one hundred twenty-one thousand, three hundred four".