12012022303321 has 4 divisors (see below), whose sum is σ = 12018110507172. Its totient is φ = 12005934099472.

The previous prime is 12012022303289. The next prime is 12012022303339. The reversal of 12012022303321 is 12330322021021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2664847294096 + 9347175009225 = 1632436^2 + 3057315^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012022303321 - 2⁵ = 12012022303289 is a prime.

It is a super-2 number, since 2×12012022303321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12012022303292 and 12012022303301.

It is not an unprimeable number, because it can be changed into a prime (12012022303121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3044098966 + ... + 3044102911.

It is an arithmetic number, because the mean of its divisors is an integer number (3004527626793).

Almost surely, 2^{12012022303321} is an apocalyptic number.

It is an amenable number.

12012022303321 is a deficient number, since it is larger than the sum of its proper divisors (6088203851).

12012022303321 is an equidigital number, since it uses as much as digits as its factorization.

12012022303321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6088203850.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12012022303321 its reverse (12330322021021), we get a palindrome (24342344324342).

The spelling of 12012022303321 in words is "twelve trillion, twelve billion, twenty-two million, three hundred three thousand, three hundred twenty-one".