12110121212112 has 320 divisors, whose sum is σ = 43348868352000. Its totient is φ = 3144683243520.

The previous prime is 12110121212107. The next prime is 12110121212177. The reversal of 12110121212112 is 21121212101121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 136304728 + ... + 136393544.

It is an arithmetic number, because the mean of its divisors is an integer number (135465213600).

Almost surely, 2^{12110121212112} is an apocalyptic number.

12110121212112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12110121212112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21674434176000).

12110121212112 is an abundant number, since it is smaller than the sum of its proper divisors (31238747139888).

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

12110121212112 is a wasteful number, since it uses less digits than its factorization.

12110121212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92951 (or 92939 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 12110121212112 its reverse (21121212101121), we get a palindrome (33231333313233).

The spelling of 12110121212112 in words is "twelve trillion, one hundred ten billion, one hundred twenty-one million, two hundred twelve thousand, one hundred twelve".