12040304321 has 8 divisors (see below), whose sum is σ = 12299019264. Its totient is φ = 11784065440.

The previous prime is 12040304317. The next prime is 12040304323. The reversal of 12040304321 is 12340304021.

12040304321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12040304321 - 2² = 12040304317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12040304293 and 12040304302.

It is not an unprimeable number, because it can be changed into a prime (12040304323) 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, 609185 + ... + 628638.

It is an arithmetic number, because the mean of its divisors is an integer number (1537377408).

Almost surely, 2^12040304321 is an apocalyptic number.

It is an amenable number.

12040304321 is a deficient number, since it is larger than the sum of its proper divisors (258714943).

12040304321 is a wasteful number, since it uses less digits than its factorization.

12040304321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238031.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12040304321 its reverse (12340304021), we get a palindrome (24380608342).

The spelling of 12040304321 in words is "twelve billion, forty million, three hundred four thousand, three hundred twenty-one".