212102130222 has 48 divisors (see below), whose sum is σ = 479712397632. Its totient is φ = 67662164160.

The previous prime is 212102130199. The next prime is 212102130223. The reversal of 212102130222 is 222031201212.

212102130222 is a `hidden beast` number, since 21 + 210 + 213 + 0 + 222 = 666.

212102130222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 212102130195 and 212102130204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212102130223) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2569798 + ... + 2651049.

It is an arithmetic number, because the mean of its divisors is an integer number (9994008284).

Almost surely, 2^212102130222 is an apocalyptic number.

212102130222 is an abundant number, since it is smaller than the sum of its proper divisors (267610267410).

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

212102130222 is a wasteful number, since it uses less digits than its factorization.

212102130222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5220953 (or 5220950 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 212102130222 its reverse (222031201212), we get a palindrome (434133331434).

The spelling of 212102130222 in words is "two hundred twelve billion, one hundred two million, one hundred thirty thousand, two hundred twenty-two".