12103334321 has 24 divisors (see below), whose sum is σ = 13656888000. Its totient is φ = 10662116256.

The previous prime is 12103334311. The next prime is 12103334329. The reversal of 12103334321 is 12343330121.

12103334321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-12103334321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12103334329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3429860 + ... + 3433386.

It is an arithmetic number, because the mean of its divisors is an integer number (569037000).

Almost surely, 2^12103334321 is an apocalyptic number.

It is an amenable number.

12103334321 is a deficient number, since it is larger than the sum of its proper divisors (1553553679).

12103334321 is a wasteful number, since it uses less digits than its factorization.

12103334321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4085 (or 4062 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12103334321 its reverse (12343330121), we get a palindrome (24446664442).

The spelling of 12103334321 in words is "twelve billion, one hundred three million, three hundred thirty-four thousand, three hundred twenty-one".