12001021120112 has 40 divisors (see below), whose sum is σ = 24512724037632. Its totient is φ = 5683393656000.

The previous prime is 12001021120091. The next prime is 12001021120157. The reversal of 12001021120112 is 21102112010021.

12001021120112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257376764 + ... + 257423387.

Almost surely, 2^{12001021120112} is an apocalyptic number.

It is an amenable number.

12001021120112 is an abundant number, since it is smaller than the sum of its proper divisors (12511702917520).

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

12001021120112 is a wasteful number, since it uses less digits than its factorization.

12001021120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514800237 (or 514800231 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12001021120112 its reverse (21102112010021), we get a palindrome (33103133130133).

The spelling of 12001021120112 in words is "twelve trillion, one billion, twenty-one million, one hundred twenty thousand, one hundred twelve".