12033221320331 has 2 divisors, whose sum is σ = 12033221320332. Its totient is φ = 12033221320330.

The previous prime is 12033221320313. The next prime is 12033221320343. The reversal of 12033221320331 is 13302312233021.

Together with previous prime (12033221320313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12033221320331 is a prime.

It is a super-2 number, since 2×12033221320331² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12033221320331.

It is not a weakly prime, because it can be changed into another prime (12033221320361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6016610660165 + 6016610660166.

It is an arithmetic number, because the mean of its divisors is an integer number (6016610660166).

Almost surely, 2^{12033221320331} is an apocalyptic number.

12033221320331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12033221320331 is an equidigital number, since it uses as much as digits as its factorization.

12033221320331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 12033221320331 its reverse (13302312233021), we get a palindrome (25335533553352).

The spelling of 12033221320331 in words is "twelve trillion, thirty-three billion, two hundred twenty-one million, three hundred twenty thousand, three hundred thirty-one".