12301221133 has 2 divisors, whose sum is σ = 12301221134. Its totient is φ = 12301221132.

The previous prime is 12301221113. The next prime is 12301221151. The reversal of 12301221133 is 33112210321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12067681609 + 233539524 = 109853^2 + 15282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12301221133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12301221133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12301221113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6150610566 + 6150610567.

It is an arithmetic number, because the mean of its divisors is an integer number (6150610567).

Almost surely, 2^12301221133 is an apocalyptic number.

It is an amenable number.

12301221133 is a deficient number, since it is larger than the sum of its proper divisors (1).

12301221133 is an equidigital number, since it uses as much as digits as its factorization.

12301221133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12301221133 its reverse (33112210321), we get a palindrome (45413431454).

The spelling of 12301221133 in words is "twelve billion, three hundred one million, two hundred twenty-one thousand, one hundred thirty-three".