210002020021212 has 24 divisors (see below), whose sum is σ = 490020172320000. Its totient is φ = 69998464920816.

The previous prime is 210002020021201. The next prime is 210002020021247. The reversal of 210002020021212 is 212120020200012.

It is a junction number, because it is equal to n+sod(n) for n = 210002020021191 and 210002020021200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275656212 + ... + 276416987.

It is an arithmetic number, because the mean of its divisors is an integer number (20417507180000).

Almost surely, 2^{210002020021212} is an apocalyptic number.

It is an amenable number.

210002020021212 is an abundant number, since it is smaller than the sum of its proper divisors (280018152298788).

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

210002020021212 is a wasteful number, since it uses less digits than its factorization.

210002020021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552104905 (or 552104903 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 210002020021212 its reverse (212120020200012), we get a palindrome (422122040221224).

The spelling of 210002020021212 in words is "two hundred ten trillion, two billion, twenty million, twenty-one thousand, two hundred twelve".