12403334112103 has 4 divisors (see below), whose sum is σ = 13530909940488. Its totient is φ = 11275758283720.

The previous prime is 12403334112017. The next prime is 12403334112107. The reversal of 12403334112103 is 30121143330421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12403334112103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12403334112107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563787914176 + ... + 563787914197.

It is an arithmetic number, because the mean of its divisors is an integer number (3382727485122).

Almost surely, 2^{12403334112103} is an apocalyptic number.

12403334112103 is a deficient number, since it is larger than the sum of its proper divisors (1127575828385).

12403334112103 is a wasteful number, since it uses less digits than its factorization.

12403334112103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127575828384.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 12403334112103 its reverse (30121143330421), we get a palindrome (42524477442524).

The spelling of 12403334112103 in words is "twelve trillion, four hundred three billion, three hundred thirty-four million, one hundred twelve thousand, one hundred three".