12231103232005 has 16 divisors (see below), whose sum is σ = 16778049202944. Its totient is φ = 8385059831040.

The previous prime is 12231103231993. The next prime is 12231103232057. The reversal of 12231103232005 is 50023230113221.

It is not a de Polignac number, because 12231103232005 - 2¹¹ = 12231103229957 is a prime.

It is a Duffinian number.

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, 41149492 + ... + 41445661.

It is an arithmetic number, because the mean of its divisors is an integer number (1048628075184).

Almost surely, 2^{12231103232005} is an apocalyptic number.

It is an amenable number.

12231103232005 is a deficient number, since it is larger than the sum of its proper divisors (4546945970939).

12231103232005 is an equidigital number, since it uses as much as digits as its factorization.

12231103232005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82599396.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 12231103232005 its reverse (50023230113221), we get a palindrome (62254333345226).

The spelling of 12231103232005 in words is "twelve trillion, two hundred thirty-one billion, one hundred three million, two hundred thirty-two thousand, five".