212102002020222 has 12 divisors (see below), whose sum is σ = 459554337710520. Its totient is φ = 70700667340068.

The previous prime is 212102002020221. The next prime is 212102002020263. The reversal of 212102002020222 is 222020200201212.

212102002020222 is a `hidden beast` number, since 21 + 21 + 0 + 200 + 202 + 0 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11783444556679 = 212102002020222 / (2 + 1 + 2 + 1 + 0 + 2 + 0 + 0 + 2 + 0 + 2 + 0 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 212102002020195 and 212102002020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212102002020221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5891722278322 + ... + 5891722278357.

It is an arithmetic number, because the mean of its divisors is an integer number (38296194809210).

Almost surely, 2^{212102002020222} is an apocalyptic number.

212102002020222 is an abundant number, since it is smaller than the sum of its proper divisors (247452335690298).

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

212102002020222 is a wasteful number, since it uses less digits than its factorization.

212102002020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11783444556687 (or 11783444556684 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 212102002020222 its reverse (222020200201212), we get a palindrome (434122202221434).

The spelling of 212102002020222 in words is "two hundred twelve trillion, one hundred two billion, two million, twenty thousand, two hundred twenty-two".