212010210 has 96 divisors (see below), whose sum is σ = 585224640. Its totient is φ = 55194048.

The previous prime is 212010203. The next prime is 212010217. The reversal of 212010210 is 12010212.

It is an interprime number because it is at equal distance from previous prime (212010203) and next prime (212010217).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 212010192 and 212010201.

It is not an unprimeable number, because it can be changed into a prime (212010217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 103476 + ... + 105504.

It is an arithmetic number, because the mean of its divisors is an integer number (6096090).

Almost surely, 2^212010210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212010210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292612320).

212010210 is an abundant number, since it is smaller than the sum of its proper divisors (373214430).

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

212010210 is a wasteful number, since it uses less digits than its factorization.

212010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094 (or 2082 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 212010210 is about 14560.5703871792. The cubic root of 212010210 is about 596.2827678681.

Adding to 212010210 its reverse (12010212), we get a palindrome (224020422).

The spelling of 212010210 in words is "two hundred twelve million, ten thousand, two hundred ten".