210012220206 has 32 divisors (see below), whose sum is σ = 467480898720. Its totient is φ = 69886012032.

The previous prime is 210012220181. The next prime is 210012220207. The reversal of 210012220206 is 602022210012.

210012220206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210012220207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3247165 + ... + 3311208.

It is an arithmetic number, because the mean of its divisors is an integer number (14608778085).

Almost surely, 2^210012220206 is an apocalyptic number.

210012220206 is an abundant number, since it is smaller than the sum of its proper divisors (257468678514).

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

210012220206 is a wasteful number, since it uses less digits than its factorization.

210012220206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6558977 (or 6558971 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 210012220206 its reverse (602022210012), we get a palindrome (812034430218).

The spelling of 210012220206 in words is "two hundred ten billion, twelve million, two hundred twenty thousand, two hundred six".