12101120110112 has 96 divisors (see below), whose sum is σ = 26050417392384. Its totient is φ = 5487716044800.

The previous prime is 12101120110111. The next prime is 12101120110147. The reversal of 12101120110112 is 21101102110121.

It is not an unprimeable number, because it can be changed into a prime (12101120110111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298102937 + ... + 298143527.

It is an arithmetic number, because the mean of its divisors is an integer number (271358514504).

Almost surely, 2^{12101120110112} 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 12101120110112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13025208696192).

12101120110112 is an abundant number, since it is smaller than the sum of its proper divisors (13949297282272).

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

12101120110112 is a wasteful number, since it uses less digits than its factorization.

12101120110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42562 (or 42554 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12101120110112 its reverse (21101102110121), we get a palindrome (33202222220233).

Subtracting 12101120110112 from its reverse (21101102110121), we obtain a square (8999982000009 = 2999997²).

The spelling of 12101120110112 in words is "twelve trillion, one hundred one billion, one hundred twenty million, one hundred ten thousand, one hundred twelve".