12201212102020 has 24 divisors (see below), whose sum is σ = 25630101600768. Its totient is φ = 4879045567200.

The previous prime is 12201212102011. The next prime is 12201212102041. The reversal of 12201212102020 is 2020121210221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12201212101985 and 12201212102003.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 89885086 + ... + 90020725.

It is an arithmetic number, because the mean of its divisors is an integer number (1067920900032).

Almost surely, 2^{12201212102020} is an apocalyptic number.

12201212102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12201212102020 is an abundant number, since it is smaller than the sum of its proper divisors (13428889498748).

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

12201212102020 is a wasteful number, since it uses less digits than its factorization.

12201212102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179909211 (or 179909209 counting only the distinct ones).

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

Adding to 12201212102020 its reverse (2020121210221), we get a palindrome (14221333312241).

The spelling of 12201212102020 in words is "twelve trillion, two hundred one billion, two hundred twelve million, one hundred two thousand, twenty".