12001210112 has 144 divisors (see below), whose sum is σ = 27041236992. Its totient is φ = 5285068800.

The previous prime is 12001210049. The next prime is 12001210183. The reversal of 12001210112 is 21101210021.

12001210112 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 = 12001210093 and 12001210102.

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 15 ways as a sum of consecutive naturals, for example, 4703237 + ... + 4705787.

It is an arithmetic number, because the mean of its divisors is an integer number (187786368).

Almost surely, 2^12001210112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12001210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13520618496).

12001210112 is an abundant number, since it is smaller than the sum of its proper divisors (15040026880).

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

12001210112 is a wasteful number, since it uses less digits than its factorization.

12001210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654 (or 2640 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12001210112 its reverse (21101210021), we get a palindrome (33102420133).

Subtracting 12001210112 from its reverse (21101210021), we obtain a palindrome (9099999909).

The spelling of 12001210112 in words is "twelve billion, one million, two hundred ten thousand, one hundred twelve".