12012330103 has 4 divisors (see below), whose sum is σ = 12191618680. Its totient is φ = 11833041528.

The previous prime is 12012330097. The next prime is 12012330107. The reversal of 12012330103 is 30103321021.

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-12012330103 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 (12012330107) 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, 89644188 + ... + 89644321.

It is an arithmetic number, because the mean of its divisors is an integer number (3047904670).

Almost surely, 2^12012330103 is an apocalyptic number.

12012330103 is a deficient number, since it is larger than the sum of its proper divisors (179288577).

12012330103 is an equidigital number, since it uses as much as digits as its factorization.

12012330103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179288576.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12012330103 its reverse (30103321021), we get a palindrome (42115651124).

The spelling of 12012330103 in words is "twelve billion, twelve million, three hundred thirty thousand, one hundred three".