12212210201020 has 24 divisors (see below), whose sum is σ = 25652912804064. Its totient is φ = 4883499055296.

The previous prime is 12212210200937. The next prime is 12212210201053. The reversal of 12212210201020 is 2010201221221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12212210200985 and 12212210201003.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 86491767 + ... + 86632846.

It is an arithmetic number, because the mean of its divisors is an integer number (1068871366836).

Almost surely, 2^{12212210201020} is an apocalyptic number.

12212210201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212210201020 is an abundant number, since it is smaller than the sum of its proper divisors (13440702603044).

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

12212210201020 is a wasteful number, since it uses less digits than its factorization.

12212210201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173128149 (or 173128147 counting only the distinct ones).

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

Adding to 12212210201020 its reverse (2010201221221), we get a palindrome (14222411422241).

The spelling of 12212210201020 in words is "twelve trillion, two hundred twelve billion, two hundred ten million, two hundred one thousand, twenty".