12003320255 has 16 divisors (see below), whose sum is σ = 15048223200. Its totient is φ = 9179721600.

The previous prime is 12003320239. The next prime is 12003320299. The reversal of 12003320255 is 55202330021.

It is not a de Polignac number, because 12003320255 - 2⁴ = 12003320239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12003320255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395165 + ... + 424454.

It is an arithmetic number, because the mean of its divisors is an integer number (940513950).

Almost surely, 2^12003320255 is an apocalyptic number.

12003320255 is a deficient number, since it is larger than the sum of its proper divisors (3044902945).

12003320255 is a wasteful number, since it uses less digits than its factorization.

12003320255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819754.

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 12003320255 its reverse (55202330021), we get a palindrome (67205650276).

The spelling of 12003320255 in words is "twelve billion, three million, three hundred twenty thousand, two hundred fifty-five".