12111020110112 has 192 divisors, whose sum is σ = 31129180637184. Its totient is φ = 4497469194240.

The previous prime is 12111020110109. The next prime is 12111020110129. The reversal of 12111020110112 is 21101102011121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15660608 + ... + 16415744.

It is an arithmetic number, because the mean of its divisors is an integer number (162131149152).

Almost surely, 2^{12111020110112} 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 12111020110112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15564590318592).

12111020110112 is an abundant number, since it is smaller than the sum of its proper divisors (19018160527072).

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

12111020110112 is a wasteful number, since it uses less digits than its factorization.

12111020110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755471 (or 755463 counting only the distinct ones).

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

Adding to 12111020110112 its reverse (21101102011121), we get a palindrome (33212122121233).

The spelling of 12111020110112 in words is "twelve trillion, one hundred eleven billion, twenty million, one hundred ten thousand, one hundred twelve".