212111010210 has 64 divisors (see below), whose sum is σ = 557307786240. Its totient is φ = 51239129280.

The previous prime is 212111010203. The next prime is 212111010229. The reversal of 212111010210 is 12010111212.

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 31 ways as a sum of consecutive naturals, for example, 1042230 + ... + 1229009.

It is an arithmetic number, because the mean of its divisors is an integer number (8707934160).

Almost surely, 2^212111010210 is an apocalyptic number.

212111010210 is an abundant number, since it is smaller than the sum of its proper divisors (345196776030).

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

212111010210 is a wasteful number, since it uses less digits than its factorization.

212111010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271543.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 212111010210 its reverse (12010111212), we get a palindrome (224121121422).

The spelling of 212111010210 in words is "two hundred twelve billion, one hundred eleven million, ten thousand, two hundred ten".