12110200021220 has 96 divisors (see below), whose sum is σ = 30103068199680. Its totient is φ = 4004045176320.

The previous prime is 12110200021181. The next prime is 12110200021223. The reversal of 12110200021220 is 2212000201121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 12110200021195 and 12110200021204.

It is not an unprimeable number, because it can be changed into a prime (12110200021223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1554230 + ... + 5161010.

It is an arithmetic number, because the mean of its divisors is an integer number (313573627080).

Almost surely, 2^{12110200021220} is an apocalyptic number.

12110200021220 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 12110200021220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15051534099840).

12110200021220 is an abundant number, since it is smaller than the sum of its proper divisors (17992868178460).

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

12110200021220 is a wasteful number, since it uses less digits than its factorization.

12110200021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607653 (or 3607651 counting only the distinct ones).

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

Adding to 12110200021220 its reverse (2212000201121), we get a palindrome (14322200222341).

The spelling of 12110200021220 in words is "twelve trillion, one hundred ten billion, two hundred million, twenty-one thousand, two hundred twenty".