212101020210 has 32 divisors (see below), whose sum is σ = 535834157760. Its totient is φ = 53583415488.

The previous prime is 212101020203. The next prime is 212101020253. The reversal of 212101020210 is 12020101212.

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 15 ways as a sum of consecutive naturals, for example, 186052957 + ... + 186054096.

It is an arithmetic number, because the mean of its divisors is an integer number (16744817430).

Almost surely, 2^212101020210 is an apocalyptic number.

212101020210 is an abundant number, since it is smaller than the sum of its proper divisors (323733137550).

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

212101020210 is a wasteful number, since it uses less digits than its factorization.

212101020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372107082.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212101020210 its reverse (12020101212), we get a palindrome (224121121422).

The spelling of 212101020210 in words is "two hundred twelve billion, one hundred one million, twenty thousand, two hundred ten".