128033218013 has 2 divisors, whose sum is σ = 128033218014. Its totient is φ = 128033218012.

The previous prime is 128033218007. The next prime is 128033218063. The reversal of 128033218013 is 310812330821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120295904569 + 7737313444 = 346837^2 + 87962^2 .

It is a cyclic number.

It is not a de Polignac number, because 128033218013 - 2²⁰ = 128032169437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128033218063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64016609006 + 64016609007.

It is an arithmetic number, because the mean of its divisors is an integer number (64016609007).

Almost surely, 2^128033218013 is an apocalyptic number.

It is an amenable number.

128033218013 is a deficient number, since it is larger than the sum of its proper divisors (1).

128033218013 is an equidigital number, since it uses as much as digits as its factorization.

128033218013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

Adding to 128033218013 its reverse (310812330821), we get a palindrome (438845548834).

The spelling of 128033218013 in words is "one hundred twenty-eight billion, thirty-three million, two hundred eighteen thousand, thirteen".