12631066073 has 2 divisors, whose sum is σ = 12631066074. Its totient is φ = 12631066072.

The previous prime is 12631066067. The next prime is 12631066141. The reversal of 12631066073 is 37066013621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10957274329 + 1673791744 = 104677^2 + 40912^2 .

It is a cyclic number.

It is not a de Polignac number, because 12631066073 - 2⁴ = 12631066057 is a prime.

It is not a weakly prime, because it can be changed into another prime (12631066013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6315533036 + 6315533037.

It is an arithmetic number, because the mean of its divisors is an integer number (6315533037).

Almost surely, 2^12631066073 is an apocalyptic number.

It is an amenable number.

12631066073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12631066073 is an equidigital number, since it uses as much as digits as its factorization.

12631066073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

Adding to 12631066073 its reverse (37066013621), we get a palindrome (49697079694).

The spelling of 12631066073 in words is "twelve billion, six hundred thirty-one million, sixty-six thousand, seventy-three".