212112011210 has 128 divisors (see below), whose sum is σ = 451827154944. Its totient is φ = 70818370560.

The previous prime is 212112011093. The next prime is 212112011213. The reversal of 212112011210 is 12110211212.

It is not an unprimeable number, because it can be changed into a prime (212112011213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 116352359 + ... + 116354181.

It is an arithmetic number, because the mean of its divisors is an integer number (3529899648).

Almost surely, 2^212112011210 is an apocalyptic number.

212112011210 is an abundant number, since it is smaller than the sum of its proper divisors (239715143734).

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

212112011210 is a wasteful number, since it uses less digits than its factorization.

212112011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3348.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212112011210 its reverse (12110211212), we get a palindrome (224222222422).

The spelling of 212112011210 in words is "two hundred twelve billion, one hundred twelve million, eleven thousand, two hundred ten".