12642041033 has 2 divisors, whose sum is σ = 12642041034. Its totient is φ = 12642041032.

The previous prime is 12642041029. The next prime is 12642041063. The reversal of 12642041033 is 33014024621.

12642041033 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., 12559012489 + 83028544 = 112067^2 + 9112^2 .

It is a cyclic number.

It is not a de Polignac number, because 12642041033 - 2² = 12642041029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12642040993 and 12642041011.

It is not a weakly prime, because it can be changed into another prime (12642041063) 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, 6321020516 + 6321020517.

It is an arithmetic number, because the mean of its divisors is an integer number (6321020517).

Almost surely, 2^12642041033 is an apocalyptic number.

It is an amenable number.

12642041033 is a deficient number, since it is larger than the sum of its proper divisors (1).

12642041033 is an equidigital number, since it uses as much as digits as its factorization.

12642041033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 12642041033 its reverse (33014024621), we get a palindrome (45656065654).

The spelling of 12642041033 in words is "twelve billion, six hundred forty-two million, forty-one thousand, thirty-three".