12200111201020 has 96 divisors (see below), whose sum is σ = 27785565561600. Its totient is φ = 4482651853824.

The previous prime is 12200111201011. The next prime is 12200111201023. The reversal of 12200111201020 is 2010211100221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200111201023) 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, 600639 + ... + 4976041.

It is an arithmetic number, because the mean of its divisors is an integer number (289432974600).

Almost surely, 2^{12200111201020} is an apocalyptic number.

12200111201020 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 12200111201020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13892782780800).

12200111201020 is an abundant number, since it is smaller than the sum of its proper divisors (15585454360580).

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

12200111201020 is a wasteful number, since it uses less digits than its factorization.

12200111201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4375627 (or 4375625 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12200111201020 its reverse (2010211100221), we get a palindrome (14210322301241).

The spelling of 12200111201020 in words is "twelve trillion, two hundred billion, one hundred eleven million, two hundred one thousand, twenty".