12103100018 has 8 divisors (see below), whose sum is σ = 18285259440. Its totient is φ = 6008013540.

The previous prime is 12103100017. The next prime is 12103100021. The reversal of 12103100018 is 81000130121.

12103100018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12103099969 and 12103100005.

It is not an unprimeable number, because it can be changed into a prime (12103100017) 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 3 ways as a sum of consecutive naturals, for example, 21767888 + ... + 21768443.

It is an arithmetic number, because the mean of its divisors is an integer number (2285657430).

Almost surely, 2^12103100018 is an apocalyptic number.

12103100018 is a deficient number, since it is larger than the sum of its proper divisors (6182159422).

12103100018 is a wasteful number, since it uses less digits than its factorization.

12103100018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43536472.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12103100018 its reverse (81000130121), we get a palindrome (93103230139).

The spelling of 12103100018 in words is "twelve billion, one hundred three million, one hundred thousand, eighteen".