212101010200 has 96 divisors (see below), whose sum is σ = 497254736160. Its totient is φ = 84134144000.

The previous prime is 212101010183. The next prime is 212101010207. The reversal of 212101010200 is 2010101212.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212101010207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13866957 + ... + 13882243.

It is an arithmetic number, because the mean of its divisors is an integer number (5179736835).

Almost surely, 2^212101010200 is an apocalyptic number.

212101010200 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 212101010200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248627368080).

212101010200 is an abundant number, since it is smaller than the sum of its proper divisors (285153725960).

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

212101010200 is a wasteful number, since it uses less digits than its factorization.

212101010200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15877 (or 15868 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 212101010200 its reverse (2010101212), we get a palindrome (214111111412).

The spelling of 212101010200 in words is "two hundred twelve billion, one hundred one million, ten thousand, two hundred".