12201201220120 has 192 divisors, whose sum is σ = 31339673971200. Its totient is φ = 4268795731200.

The previous prime is 12201201220067. The next prime is 12201201220141. The reversal of 12201201220120 is 2102210210221.

It is a happy number.

It is a super-2 number, since 2×12201201220120² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12201201220094 and 12201201220103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12966775 + ... + 13875865.

It is an arithmetic number, because the mean of its divisors is an integer number (163227468600).

Almost surely, 2^{12201201220120} is an apocalyptic number.

12201201220120 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 12201201220120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15669836985600).

12201201220120 is an abundant number, since it is smaller than the sum of its proper divisors (19138472751080).

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

12201201220120 is a wasteful number, since it uses less digits than its factorization.

12201201220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909230 (or 909215 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12201201220120 its reverse (2102210210221), we get a palindrome (14303411430341).

The spelling of 12201201220120 in words is "twelve trillion, two hundred one billion, two hundred one million, two hundred twenty thousand, one hundred twenty".