12210220222020 has 72 divisors (see below), whose sum is σ = 38987018965440. Its totient is φ = 3084687213120.

The previous prime is 12210220221949. The next prime is 12210220222027. The reversal of 12210220222020 is 2022202201221.

12210220222020 is a `hidden beast` number, since 1 + 221 + 0 + 2 + 202 + 220 + 20 = 666.

12210220222020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12210220222020² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12210220221984 and 12210220222002.

It is not an unprimeable number, because it can be changed into a prime (12210220222027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1785116496 + ... + 1785123335.

It is an arithmetic number, because the mean of its divisors is an integer number (541486374520).

Almost surely, 2^{12210220222020} is an apocalyptic number.

12210220222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210220222020 is an abundant number, since it is smaller than the sum of its proper divisors (26776798743420).

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

12210220222020 is a wasteful number, since it uses less digits than its factorization.

12210220222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570239865 (or 3570239860 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12210220222020 its reverse (2022202201221), we get a palindrome (14232422423241).

The spelling of 12210220222020 in words is "twelve trillion, two hundred ten billion, two hundred twenty million, two hundred twenty-two thousand, twenty".