12231303061 has 2 divisors, whose sum is σ = 12231303062. Its totient is φ = 12231303060.

The previous prime is 12231303031. The next prime is 12231303109. The reversal of 12231303061 is 16030313221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10851180561 + 1380122500 = 104169^2 + 37150^2 .

It is a cyclic number.

It is not a de Polignac number, because 12231303061 - 2¹¹ = 12231301013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12231303031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115651530 + 6115651531.

It is an arithmetic number, because the mean of its divisors is an integer number (6115651531).

Almost surely, 2^12231303061 is an apocalyptic number.

It is an amenable number.

12231303061 is a deficient number, since it is larger than the sum of its proper divisors (1).

12231303061 is an equidigital number, since it uses as much as digits as its factorization.

12231303061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 12231303061 its reverse (16030313221), we get a palindrome (28261616282).

The spelling of 12231303061 in words is "twelve billion, two hundred thirty-one million, three hundred three thousand, sixty-one".