12012002112 has 56 divisors (see below), whose sum is σ = 34671012192. Its totient is φ = 3640000000.

The previous prime is 12012002099. The next prime is 12012002269. The reversal of 12012002112 is 21120021021.

12012002112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2841639 + ... + 2845862.

Almost surely, 2^12012002112 is an apocalyptic number.

12012002112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12012002112 is an abundant number, since it is smaller than the sum of its proper divisors (22659010080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12012002112 is a wasteful number, since it uses less digits than its factorization.

12012002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5687527 (or 5687517 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12012002112 its reverse (21120021021), we get a palindrome (33132023133).

The spelling of 12012002112 in words is "twelve billion, twelve million, two thousand, one hundred twelve".