128033218003 has 4 divisors (see below), whose sum is σ = 128444900688. Its totient is φ = 127621535320.

The previous prime is 128033217967. The next prime is 128033218007. The reversal of 128033218003 is 300812330821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300812330821 = 2153 ⋅139717757.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128033218003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128033218007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205840876 + ... + 205841497.

It is an arithmetic number, because the mean of its divisors is an integer number (32111225172).

Almost surely, 2^128033218003 is an apocalyptic number.

128033218003 is a deficient number, since it is larger than the sum of its proper divisors (411682685).

128033218003 is an equidigital number, since it uses as much as digits as its factorization.

128033218003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411682684.

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 128033218003 its reverse (300812330821), we get a palindrome (428845548824).

The spelling of 128033218003 in words is "one hundred twenty-eight billion, thirty-three million, two hundred eighteen thousand, three".