12221200133 has 2 divisors, whose sum is σ = 12221200134. Its totient is φ = 12221200132.

The previous prime is 12221200031. The next prime is 12221200141. The reversal of 12221200133 is 33100212221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12213123169 + 8076964 = 110513^2 + 2842^2 .

It is a cyclic number.

It is not a de Polignac number, because 12221200133 - 2²⁴ = 12204422917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12221700133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110600066 + 6110600067.

It is an arithmetic number, because the mean of its divisors is an integer number (6110600067).

Almost surely, 2^12221200133 is an apocalyptic number.

It is an amenable number.

12221200133 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221200133 is an equidigital number, since it uses as much as digits as its factorization.

12221200133 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 12221200133 its reverse (33100212221), we get a palindrome (45321412354).

The spelling of 12221200133 in words is "twelve billion, two hundred twenty-one million, two hundred thousand, one hundred thirty-three".