212002320222 has 64 divisors (see below), whose sum is σ = 587365747200. Its totient is φ = 55065536640.

The previous prime is 212002320217. The next prime is 212002320239. The reversal of 212002320222 is 222023200212.

212002320222 is a `hidden beast` number, since 2 + 120 + 0 + 2 + 320 + 222 = 666.

It is a super-2 number, since 2×212002320222² (a number of 23 digits) contains 22 as substring.

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 = 212002320195 and 212002320204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25489147 + ... + 25497462.

It is an arithmetic number, because the mean of its divisors is an integer number (9177589800).

Almost surely, 2^212002320222 is an apocalyptic number.

212002320222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212002320222 is an abundant number, since it is smaller than the sum of its proper divisors (375363426978).

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

212002320222 is a wasteful number, since it uses less digits than its factorization.

212002320222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50986638 (or 50986632 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 212002320222 its reverse (222023200212), we get a palindrome (434025520434).

The spelling of 212002320222 in words is "two hundred twelve billion, two million, three hundred twenty thousand, two hundred twenty-two".