20120112200112 has 40 divisors (see below), whose sum is σ = 52688969629104. Its totient is φ = 6614831407104.

The previous prime is 20120112199997. The next prime is 20120112200117. The reversal of 20120112200112 is 21100221102102.

It is a junction number, because it is equal to n+sod(n) for n = 20120112200091 and 20120112200100.

It is not an unprimeable number, because it can be changed into a prime (20120112200117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2871017073 + ... + 2871024080.

Almost surely, 2^{20120112200112} is an apocalyptic number.

It is an amenable number.

20120112200112 is an abundant number, since it is smaller than the sum of its proper divisors (32568857428992).

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

20120112200112 is a wasteful number, since it uses less digits than its factorization.

20120112200112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5742041237 (or 5742041231 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20120112200112 its reverse (21100221102102), we get a palindrome (41220333302214).

The spelling of 20120112200112 in words is "twenty trillion, one hundred twenty billion, one hundred twelve million, two hundred thousand, one hundred twelve".