12321120310103 has 16 divisors (see below), whose sum is σ = 13452131790720. Its totient is φ = 11191930807200.

The previous prime is 12321120310097. The next prime is 12321120310129. The reversal of 12321120310103 is 30101302112321.

It is a happy number.

It is not a de Polignac number, because 12321120310103 - 2¹⁴ = 12321120293719 is a prime.

It is a super-3 number, since 3×12321120310103³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321120310193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68262188 + ... + 68442446.

It is an arithmetic number, because the mean of its divisors is an integer number (840758236920).

Almost surely, 2^{12321120310103} is an apocalyptic number.

12321120310103 is a deficient number, since it is larger than the sum of its proper divisors (1131011480617).

12321120310103 is a wasteful number, since it uses less digits than its factorization.

12321120310103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185278.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12321120310103 its reverse (30101302112321), we get a palindrome (42422422422424).

The spelling of 12321120310103 in words is "twelve trillion, three hundred twenty-one billion, one hundred twenty million, three hundred ten thousand, one hundred three".