12021101120 has 112 divisors (see below), whose sum is σ = 32742835200. Its totient is φ = 4117960704.

The previous prime is 12021101101. The next prime is 12021101153. The reversal of 12021101120 is 2110112021.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5009681 + ... + 5012079.

Almost surely, 2^12021101120 is an apocalyptic number.

12021101120 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 12021101120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16371417600).

12021101120 is an abundant number, since it is smaller than the sum of its proper divisors (20721734080).

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

12021101120 is a wasteful number, since it uses less digits than its factorization.

12021101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4660 (or 4650 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12021101120 its reverse (2110112021), we get a palindrome (14131213141).

The spelling of 12021101120 in words is "twelve billion, twenty-one million, one hundred one thousand, one hundred twenty".