210002012220 has 960 divisors, whose sum is σ = 829094676480. Its totient is φ = 38639462400.

The previous prime is 210002012203. The next prime is 210002012249. The reversal of 210002012220 is 22210200012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 210002012196 and 210002012205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 2957774785 + ... + 2957774855.

It is an arithmetic number, because the mean of its divisors is an integer number (863640288).

Almost surely, 2^210002012220 is an apocalyptic number.

210002012220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210002012220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414547338240).

210002012220 is an abundant number, since it is smaller than the sum of its proper divisors (619092664260).

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

210002012220 is a wasteful number, since it uses less digits than its factorization.

210002012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 210002012220 its reverse (22210200012), we get a palindrome (232212212232).

The spelling of 210002012220 in words is "two hundred ten billion, two million, twelve thousand, two hundred twenty".