12220021210220 has 12 divisors (see below), whose sum is σ = 25662044541504. Its totient is φ = 4888008484080.

The previous prime is 12220021210171. The next prime is 12220021210223. The reversal of 12220021210220 is 2201212002221.

It is a happy number.

12220021210220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12220021210223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305500530236 + ... + 305500530275.

It is an arithmetic number, because the mean of its divisors is an integer number (2138503711792).

Almost surely, 2^{12220021210220} is an apocalyptic number.

12220021210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220021210220 is an abundant number, since it is smaller than the sum of its proper divisors (13442023331284).

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

12220021210220 is a wasteful number, since it uses less digits than its factorization.

12220021210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611001060520 (or 611001060518 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12220021210220 its reverse (2201212002221), we get a palindrome (14421233212441).

The spelling of 12220021210220 in words is "twelve trillion, two hundred twenty billion, twenty-one million, two hundred ten thousand, two hundred twenty".