212030210 has 64 divisors (see below), whose sum is σ = 451567872. Its totient is φ = 70177536.

The previous prime is 212030201. The next prime is 212030257. The reversal of 212030210 is 12030212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212030191 and 212030200.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 248144 + ... + 248996.

It is an arithmetic number, because the mean of its divisors is an integer number (7055748).

Almost surely, 2^212030210 is an apocalyptic number.

212030210 is an abundant number, since it is smaller than the sum of its proper divisors (239537662).

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

212030210 is a wasteful number, since it uses less digits than its factorization.

212030210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 212030210 is about 14561.2571572650. The cubic root of 212030210 is about 596.3015174059.

Adding to 212030210 its reverse (12030212), we get a palindrome (224060422).

The spelling of 212030210 in words is "two hundred twelve million, thirty thousand, two hundred ten".