12201120021112 has 32 divisors (see below), whose sum is σ = 24957153072000. Its totient is φ = 5545893276000.

The previous prime is 12201120021067. The next prime is 12201120021119. The reversal of 12201120021112 is 21112002110221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201120021119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6439237 + ... + 8115787.

It is an arithmetic number, because the mean of its divisors is an integer number (779911033500).

Almost surely, 2^{12201120021112} is an apocalyptic number.

It is an amenable number.

12201120021112 is an abundant number, since it is smaller than the sum of its proper divisors (12756033050888).

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

12201120021112 is a wasteful number, since it uses less digits than its factorization.

12201120021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759267 (or 1759263 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12201120021112 its reverse (21112002110221), we get a palindrome (33313122131333).

The spelling of 12201120021112 in words is "twelve trillion, two hundred one billion, one hundred twenty million, twenty-one thousand, one hundred twelve".