12000322321 has 16 divisors (see below), whose sum is σ = 13871091024. Its totient is φ = 10282788864.

The previous prime is 12000322319. The next prime is 12000322333. The reversal of 12000322321 is 12322300021.

It can be written as a sum of positive squares in 8 ways, for example, as 1176833025 + 10823489296 = 34305^2 + 104036^2 .

It is a cyclic number.

It is not a de Polignac number, because 12000322321 - 2¹ = 12000322319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12000322295 and 12000322304.

It is not an unprimeable number, because it can be changed into a prime (12000322361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355786 + ... + 388051.

It is an arithmetic number, because the mean of its divisors is an integer number (866943189).

Almost surely, 2^12000322321 is an apocalyptic number.

It is an amenable number.

12000322321 is a deficient number, since it is larger than the sum of its proper divisors (1870768703).

12000322321 is a wasteful number, since it uses less digits than its factorization.

12000322321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743940.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12000322321 its reverse (12322300021), we get a palindrome (24322622342).

The spelling of 12000322321 in words is "twelve billion, three hundred twenty-two thousand, three hundred twenty-one".