12002002112 has 28 divisors (see below), whose sum is σ = 23921420280. Its totient is φ = 5974557696.

The previous prime is 12002002097. The next prime is 12002002151. The reversal of 12002002112 is 21120020021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12002002093 and 12002002102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398537 + ... + 427592.

Almost surely, 2^12002002112 is an apocalyptic number.

It is an amenable number.

12002002112 is a deficient number, since it is larger than the sum of its proper divisors (11919418168).

12002002112 is an equidigital number, since it uses as much as digits as its factorization.

12002002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826368 (or 826358 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12002002112 its reverse (21120020021), we get a palindrome (33122022133).

The spelling of 12002002112 in words is "twelve billion, two million, two thousand, one hundred twelve".