12321120131103 has 24 divisors (see below), whose sum is σ = 19110445503408. Its totient is φ = 7040589701376.

The previous prime is 12321120131087. The next prime is 12321120131129. The reversal of 12321120131103 is 30113102112321.

It is not a de Polignac number, because 12321120131103 - 2⁴ = 12321120131087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 12321120131103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321120133103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32417575 + ... + 32795447.

It is an arithmetic number, because the mean of its divisors is an integer number (796268562642).

Almost surely, 2^{12321120131103} is an apocalyptic number.

12321120131103 is a deficient number, since it is larger than the sum of its proper divisors (6789325372305).

12321120131103 is a wasteful number, since it uses less digits than its factorization.

12321120131103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599703 (or 599696 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 12321120131103 its reverse (30113102112321), we get a palindrome (42434222243424).

The spelling of 12321120131103 in words is "twelve trillion, three hundred twenty-one billion, one hundred twenty million, one hundred thirty-one thousand, one hundred three".