12201222112220 has 96 divisors (see below), whose sum is σ = 25782841244160. Its totient is φ = 4850081153280.

The previous prime is 12201222112199. The next prime is 12201222112223. The reversal of 12201222112220 is 2221122210221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12201222112192 and 12201222112201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201222112223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3428270801 + ... + 3428274359.

It is an arithmetic number, because the mean of its divisors is an integer number (268571262960).

Almost surely, 2^{12201222112220} is an apocalyptic number.

12201222112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12201222112220 is an abundant number, since it is smaller than the sum of its proper divisors (13581619131940).

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

12201222112220 is a wasteful number, since it uses less digits than its factorization.

12201222112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5403 (or 5401 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12201222112220 its reverse (2221122210221), we get a palindrome (14422344322441).

The spelling of 12201222112220 in words is "twelve trillion, two hundred one billion, two hundred twenty-two million, one hundred twelve thousand, two hundred twenty".