212022223320 has 64 divisors (see below), whose sum is σ = 653257674720. Its totient is φ = 55011170304.

The previous prime is 212022223307. The next prime is 212022223327. The reversal of 212022223320 is 23322220212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212022223327) 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 15 ways as a sum of consecutive naturals, for example, 23871937 + ... + 23880816.

Almost surely, 2^212022223320 is an apocalyptic number.

212022223320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212022223320 is an abundant number, since it is smaller than the sum of its proper divisors (441235451400).

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

212022223320 is a wasteful number, since it uses less digits than its factorization.

212022223320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47752804 (or 47752800 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 212022223320 its reverse (23322220212), we get a palindrome (235344443532).

The spelling of 212022223320 in words is "two hundred twelve billion, twenty-two million, two hundred twenty-three thousand, three hundred twenty".