12212101120 has 112 divisors (see below), whose sum is σ = 29420198208. Its totient is φ = 4866048000.

The previous prime is 12212101087. The next prime is 12212101127. The reversal of 12212101120 is 2110121221.

It is a self number, because there is not a number n which added to its sum of digits gives 12212101120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212101127) 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, 16260745 + ... + 16261495.

Almost surely, 2^12212101120 is an apocalyptic number.

12212101120 is a gapful number since it is divisible by the number (10) 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 12212101120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14710099104).

12212101120 is an abundant number, since it is smaller than the sum of its proper divisors (17208097088).

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

12212101120 is an frugal number, since it uses more digits than its factorization.

12212101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179 (or 1155 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12212101120 its reverse (2110121221), we get a palindrome (14322222341).

The spelling of 12212101120 in words is "twelve billion, two hundred twelve million, one hundred one thousand, one hundred twenty".