12010220012120 has 128 divisors (see below), whose sum is σ = 29603324378880. Its totient is φ = 4349035200000.

The previous prime is 12010220012083. The next prime is 12010220012123. The reversal of 12010220012120 is 2121002201021.

It is a junction number, because it is equal to n+sod(n) for n = 12010220012095 and 12010220012104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010220012123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 738945914 + ... + 738962166.

It is an arithmetic number, because the mean of its divisors is an integer number (231275971710).

Almost surely, 2^{12010220012120} is an apocalyptic number.

12010220012120 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 12010220012120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14801662189440).

12010220012120 is an abundant number, since it is smaller than the sum of its proper divisors (17593104366760).

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

12010220012120 is a wasteful number, since it uses less digits than its factorization.

12010220012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23217 (or 23213 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12010220012120 its reverse (2121002201021), we get a palindrome (14131222213141).

The spelling of 12010220012120 in words is "twelve trillion, ten billion, two hundred twenty million, twelve thousand, one hundred twenty".