12103100012 has 12 divisors (see below), whose sum is σ = 21268312296. Its totient is φ = 6026439360.

The previous prime is 12103099999. The next prime is 12103100017. The reversal of 12103100012 is 21000130121.

12103100012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12103099966 and 12103100002.

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, 6276578 + ... + 6278505.

It is an arithmetic number, because the mean of its divisors is an integer number (1772359358).

Almost surely, 2^12103100012 is an apocalyptic number.

It is an amenable number.

12103100012 is a deficient number, since it is larger than the sum of its proper divisors (9165212284).

12103100012 is a wasteful number, since it uses less digits than its factorization.

12103100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12555328 (or 12555326 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12103100012 its reverse (21000130121), we get a palindrome (33103230133).

The spelling of 12103100012 in words is "twelve billion, one hundred three million, one hundred thousand, twelve".