212210323212 has 24 divisors (see below), whose sum is σ = 495258220800. Its totient is φ = 70722374416.

The previous prime is 212210323211. The next prime is 212210323231. The reversal of 212210323212 is 212323012212.

It is not an unprimeable number, because it can be changed into a prime (212210323211) 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 7 ways as a sum of consecutive naturals, for example, 1738512 + ... + 1856567.

It is an arithmetic number, because the mean of its divisors is an integer number (20635759200).

Almost surely, 2^212210323212 is an apocalyptic number.

It is an amenable number.

212210323212 is an abundant number, since it is smaller than the sum of its proper divisors (283047897588).

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

212210323212 is a wasteful number, since it uses less digits than its factorization.

212210323212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3600005 (or 3600003 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212210323212 its reverse (212323012212), we get a palindrome (424533335424).

The spelling of 212210323212 in words is "two hundred twelve billion, two hundred ten million, three hundred twenty-three thousand, two hundred twelve".