12000100012 has 24 divisors (see below), whose sum is σ = 22350713616. Its totient is φ = 5617840128.

The previous prime is 12000100001. The next prime is 12000100033. The reversal of 12000100012 is 21000100021.

It is a junction number, because it is equal to n+sod(n) for n = 12000099968 and 12000100004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444058 + ... + 470305.

It is an arithmetic number, because the mean of its divisors is an integer number (931279734).

Almost surely, 2^12000100012 is an apocalyptic number.

It is an amenable number.

12000100012 is a deficient number, since it is larger than the sum of its proper divisors (10350613604).

12000100012 is a wasteful number, since it uses less digits than its factorization.

12000100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914577 (or 914575 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 12000100012 its reverse (21000100021), we get a palindrome (33000200033).

Subtracting 12000100012 from its reverse (21000100021), we obtain a palindrome (9000000009).

The spelling of 12000100012 in words is "twelve billion, one hundred thousand, twelve".