212020210 has 32 divisors (see below), whose sum is σ = 402216192. Its totient is φ = 80308800.

The previous prime is 212020181. The next prime is 212020213. The reversal of 212020210 is 12020212.

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

It is not an unprimeable number, because it can be changed into a prime (212020213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18667 + ... + 27793.

It is an arithmetic number, because the mean of its divisors is an integer number (12569256).

Almost surely, 2^212020210 is an apocalyptic number.

212020210 is a deficient number, since it is larger than the sum of its proper divisors (190195982).

212020210 is a wasteful number, since it uses less digits than its factorization.

212020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9258.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 212020210 is about 14560.9137762710. The cubic root of 212020210 is about 596.2921427844.

Adding to 212020210 its reverse (12020212), we get a palindrome (224040422).

It can be divided in two parts, 2120202 and 10, that added together give a palindrome (2120212).

The spelling of 212020210 in words is "two hundred twelve million, twenty thousand, two hundred ten".