12000103112 has 16 divisors (see below), whose sum is σ = 22552163340. Its totient is φ = 5986192896.

The previous prime is 12000103109. The next prime is 12000103117. The reversal of 12000103112 is 21130100021.

It can be written as a sum of positive squares in 2 ways, for example, as 11853547876 + 146555236 = 108874^2 + 12106^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12000103093 and 12000103102.

It is not an unprimeable number, because it can be changed into a prime (12000103117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1728653 + ... + 1735580.

Almost surely, 2^12000103112 is an apocalyptic number.

It is an amenable number.

12000103112 is a deficient number, since it is larger than the sum of its proper divisors (10552060228).

12000103112 is a wasteful number, since it uses less digits than its factorization.

12000103112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3464672 (or 3464668 counting only the distinct ones).

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

Adding to 12000103112 its reverse (21130100021), we get a palindrome (33130203133).

The spelling of 12000103112 in words is "twelve billion, one hundred three thousand, one hundred twelve".