12633210061 has 2 divisors, whose sum is σ = 12633210062. Its totient is φ = 12633210060.

The previous prime is 12633210049. The next prime is 12633210077. The reversal of 12633210061 is 16001233621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10992474025 + 1640736036 = 104845^2 + 40506^2 .

It is a cyclic number.

It is not a de Polignac number, because 12633210061 - 2⁹ = 12633209549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12633210361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6316605030 + 6316605031.

It is an arithmetic number, because the mean of its divisors is an integer number (6316605031).

Almost surely, 2^12633210061 is an apocalyptic number.

It is an amenable number.

12633210061 is a deficient number, since it is larger than the sum of its proper divisors (1).

12633210061 is an equidigital number, since it uses as much as digits as its factorization.

12633210061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12633210061 its reverse (16001233621), we get a palindrome (28634443682).

The spelling of 12633210061 in words is "twelve billion, six hundred thirty-three million, two hundred ten thousand, sixty-one".