12225441061 has 2 divisors, whose sum is σ = 12225441062. Its totient is φ = 12225441060.

The previous prime is 12225441031. The next prime is 12225441119. The reversal of 12225441061 is 16014452221.

12225441061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8229936961 + 3995504100 = 90719^2 + 63210^2 .

It is a cyclic number.

It is not a de Polignac number, because 12225441061 - 2⁵ = 12225441029 is a prime.

It is a super-2 number, since 2×12225441061² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12225441031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6112720530 + 6112720531.

It is an arithmetic number, because the mean of its divisors is an integer number (6112720531).

Almost surely, 2^12225441061 is an apocalyptic number.

It is an amenable number.

12225441061 is a deficient number, since it is larger than the sum of its proper divisors (1).

12225441061 is an equidigital number, since it uses as much as digits as its factorization.

12225441061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 12225441061 its reverse (16014452221), we get a palindrome (28239893282).

The spelling of 12225441061 in words is "twelve billion, two hundred twenty-five million, four hundred forty-one thousand, sixty-one".