212210211210210 has 32 divisors (see below), whose sum is σ = 565893896561280. Its totient is φ = 56589389655984.

The previous prime is 212210211210181. The next prime is 212210211210227. The reversal of 212210211210210 is 12012112012212.

212210211210210 is a `hidden beast` number, since 2 + 1 + 22 + 10 + 211 + 210 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392981872342 + ... + 392981872881.

It is an arithmetic number, because the mean of its divisors is an integer number (17684184267540).

Almost surely, 2^{212210211210210} is an apocalyptic number.

212210211210210 is an abundant number, since it is smaller than the sum of its proper divisors (353683685351070).

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

212210211210210 is a wasteful number, since it uses less digits than its factorization.

212210211210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785963745239 (or 785963745233 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212210211210210 its reverse (12012112012212), we get a palindrome (224222323222422).

The spelling of 212210211210210 in words is "two hundred twelve trillion, two hundred ten billion, two hundred eleven million, two hundred ten thousand, two hundred ten".