13203213232005 has 72 divisors (see below), whose sum is σ = 23843026581192. Its totient is φ = 6757540079616.

The previous prime is 13203213232003. The next prime is 13203213232007. The reversal of 13203213232005 is 50023231230231.

It is a happy number.

13203213232005 is a `hidden beast` number, since 1 + 3 + 203 + 2 + 132 + 320 + 0 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (13203213232003) and next prime (13203213232007).

It can be written as a sum of positive squares in 12 ways, for example, as 731107521 + 13202482124484 = 27039^2 + 3633522^2 .

It is not a de Polignac number, because 13203213232005 - 2¹ = 13203213232003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13203213232005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13203213232003) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 3029217 + ... + 5965113.

It is an arithmetic number, because the mean of its divisors is an integer number (331153146961).

Almost surely, 2^{13203213232005} is an apocalyptic number.

13203213232005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13203213232005 is a deficient number, since it is larger than the sum of its proper divisors (10639813349187).

13203213232005 is a wasteful number, since it uses less digits than its factorization.

13203213232005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936055 (or 2936015 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 13203213232005 its reverse (50023231230231), we get a palindrome (63226444462236).

The spelling of 13203213232005 in words is "thirteen trillion, two hundred three billion, two hundred thirteen million, two hundred thirty-two thousand, five".