12201222010220 has 24 divisors (see below), whose sum is σ = 25622648914464. Its totient is φ = 4880473053056.

The previous prime is 12201222010213. The next prime is 12201222010283. The reversal of 12201222010220 is 2201022210221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6912632 + ... + 8496288.

It is an arithmetic number, because the mean of its divisors is an integer number (1067610371436).

Almost surely, 2^{12201222010220} is an apocalyptic number.

12201222010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12201222010220 is an abundant number, since it is smaller than the sum of its proper divisors (13421426904244).

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

12201222010220 is a wasteful number, since it uses less digits than its factorization.

12201222010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968889 (or 1968887 counting only the distinct ones).

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

Adding to 12201222010220 its reverse (2201022210221), we get a palindrome (14402244220441).

The spelling of 12201222010220 in words is "twelve trillion, two hundred one billion, two hundred twenty-two million, ten thousand, two hundred twenty".