212002210220 has 24 divisors (see below), whose sum is σ = 445213314000. Its totient is φ = 84799232192.

The previous prime is 212002210187. The next prime is 212002210229. The reversal of 212002210220 is 22012200212.

It is a junction number, because it is equal to n+sod(n) for n = 212002210195 and 212002210204.

It is not an unprimeable number, because it can be changed into a prime (212002210229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1855511 + ... + 1966449.

It is an arithmetic number, because the mean of its divisors is an integer number (18550554750).

Almost surely, 2^212002210220 is an apocalyptic number.

212002210220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212002210220 is an abundant number, since it is smaller than the sum of its proper divisors (233211103780).

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

212002210220 is a wasteful number, since it uses less digits than its factorization.

212002210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206497 (or 206495 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 212002210220 its reverse (22012200212), we get a palindrome (234014410432).

The spelling of 212002210220 in words is "two hundred twelve billion, two million, two hundred ten thousand, two hundred twenty".