12103230320 has 20 divisors (see below), whose sum is σ = 28140010680. Its totient is φ = 4841292096.

The previous prime is 12103230241. The next prime is 12103230353. The reversal of 12103230320 is 2303230121.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75645110 + ... + 75645269.

It is an arithmetic number, because the mean of its divisors is an integer number (1407000534).

Almost surely, 2^12103230320 is an apocalyptic number.

12103230320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12103230320 is an abundant number, since it is smaller than the sum of its proper divisors (16036780360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12103230320 is a wasteful number, since it uses less digits than its factorization.

12103230320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151290392 (or 151290386 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12103230320 its reverse (2303230121), we get a palindrome (14406460441).

The spelling of 12103230320 in words is "twelve billion, one hundred three million, two hundred thirty thousand, three hundred twenty".