210200212120 has 32 divisors (see below), whose sum is σ = 500771095200. Its totient is φ = 79134197248.

The previous prime is 210200212109. The next prime is 210200212181. The reversal of 210200212120 is 21212002012.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 210200212120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154558300 + ... + 154559659.

It is an arithmetic number, because the mean of its divisors is an integer number (15649096725).

Almost surely, 2^210200212120 is an apocalyptic number.

210200212120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210200212120 is an abundant number, since it is smaller than the sum of its proper divisors (290570883080).

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

210200212120 is a wasteful number, since it uses less digits than its factorization.

210200212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309117987 (or 309117983 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 210200212120 its reverse (21212002012), we get a palindrome (231412214132).

The spelling of 210200212120 in words is "two hundred ten billion, two hundred million, two hundred twelve thousand, one hundred twenty".