210002102221212 has 432 divisors, whose sum is σ = 623011753465920. Its totient is φ = 59642798294016.

The previous prime is 210002102221193. The next prime is 210002102221237. The reversal of 210002102221212 is 212122201200012.

It is a happy number.

210002102221212 is a `hidden beast` number, since 21 + 0 + 0 + 0 + 210 + 2 + 221 + 212 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 78446805618 + ... + 78446808294.

Almost surely, 2^{210002102221212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210002102221212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311505876732960).

210002102221212 is an abundant number, since it is smaller than the sum of its proper divisors (413009651244708).

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

210002102221212 is a wasteful number, since it uses less digits than its factorization.

210002102221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3448 (or 3415 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 210002102221212 its reverse (212122201200012), we get a palindrome (422124303421224).

The spelling of 210002102221212 in words is "two hundred ten trillion, two billion, one hundred two million, two hundred twenty-one thousand, two hundred twelve".