12120313232103 has 24 divisors (see below), whose sum is σ = 16542387075312. Its totient is φ = 7892145525888.

The previous prime is 12120313232087. The next prime is 12120313232129. The reversal of 12120313232103 is 30123231302121.

It is not a de Polignac number, because 12120313232103 - 2⁴ = 12120313232087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120313232173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 284976 + ... + 4931717.

It is an arithmetic number, because the mean of its divisors is an integer number (689266128138).

Almost surely, 2^{12120313232103} is an apocalyptic number.

12120313232103 is a deficient number, since it is larger than the sum of its proper divisors (4422073843209).

12120313232103 is an equidigital number, since it uses as much as digits as its factorization.

12120313232103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5216975 (or 5216872 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12120313232103 its reverse (30123231302121), we get a palindrome (42243544534224).

The spelling of 12120313232103 in words is "twelve trillion, one hundred twenty billion, three hundred thirteen million, two hundred thirty-two thousand, one hundred three".