12220220112020 has 96 divisors (see below), whose sum is σ = 27475490044800. Its totient is φ = 4551582357504.

The previous prime is 12220220112019. The next prime is 12220220112053. The reversal of 12220220112020 is 2021102202221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12220220112020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146876672 + ... + 146959848.

It is an arithmetic number, because the mean of its divisors is an integer number (286203021300).

Almost surely, 2^{12220220112020} is an apocalyptic number.

12220220112020 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 12220220112020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13737745022400).

12220220112020 is an abundant number, since it is smaller than the sum of its proper divisors (15255269932780).

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

12220220112020 is a wasteful number, since it uses less digits than its factorization.

12220220112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89817 (or 89815 counting only the distinct ones).

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

Adding to 12220220112020 its reverse (2021102202221), we get a palindrome (14241322314241).

The spelling of 12220220112020 in words is "twelve trillion, two hundred twenty billion, two hundred twenty million, one hundred twelve thousand, twenty".