12103123330 has 32 divisors (see below), whose sum is σ = 22622746608. Its totient is φ = 4658457600.

The previous prime is 12103123313. The next prime is 12103123337. The reversal of 12103123330 is 3332130121.

It can be written as a sum of positive squares in 8 ways, for example, as 6295311649 + 5807811681 = 79343^2 + 76209^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12103123298 and 12103123307.

It is not an unprimeable number, because it can be changed into a prime (12103123337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172261 + ... + 232120.

Almost surely, 2^12103123330 is an apocalyptic number.

12103123330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12103123330 is a deficient number, since it is larger than the sum of its proper divisors (10519623278).

12103123330 is a wasteful number, since it uses less digits than its factorization.

12103123330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404502.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12103123330 its reverse (3332130121), we get a palindrome (15435253451).

The spelling of 12103123330 in words is "twelve billion, one hundred three million, one hundred twenty-three thousand, three hundred thirty".