12033120221 has 2 divisors, whose sum is σ = 12033120222. Its totient is φ = 12033120220.

The previous prime is 12033120173. The next prime is 12033120247. The reversal of 12033120221 is 12202133021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7834728196 + 4198392025 = 88514^2 + 64795^2 .

It is a cyclic number.

It is not a de Polignac number, because 12033120221 - 2¹⁴ = 12033103837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12033120221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12033120271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6016560110 + 6016560111.

It is an arithmetic number, because the mean of its divisors is an integer number (6016560111).

Almost surely, 2^12033120221 is an apocalyptic number.

It is an amenable number.

12033120221 is a deficient number, since it is larger than the sum of its proper divisors (1).

12033120221 is an equidigital number, since it uses as much as digits as its factorization.

12033120221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12033120221 its reverse (12202133021), we get a palindrome (24235253242).

The spelling of 12033120221 in words is "twelve billion, thirty-three million, one hundred twenty thousand, two hundred twenty-one".