12201020202220 has 96 divisors (see below), whose sum is σ = 26320506327360. Its totient is φ = 4749085286400.

The previous prime is 12201020202181. The next prime is 12201020202229. The reversal of 12201020202220 is 2220202010221.

It is a junction number, because it is equal to n+sod(n) for n = 12201020202194 and 12201020202203.

It is not an unprimeable number, because it can be changed into a prime (12201020202229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 674192212 + ... + 674210308.

It is an arithmetic number, because the mean of its divisors is an integer number (274171940910).

Almost surely, 2^{12201020202220} is an apocalyptic number.

12201020202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12201020202220 is an abundant number, since it is smaller than the sum of its proper divisors (14119486125140).

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

12201020202220 is a wasteful number, since it uses less digits than its factorization.

12201020202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23923 (or 23921 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12201020202220 its reverse (2220202010221), we get a palindrome (14421222212441).

The spelling of 12201020202220 in words is "twelve trillion, two hundred one billion, twenty million, two hundred two thousand, two hundred twenty".