212323200222 has 16 divisors (see below), whose sum is σ = 485310172032. Its totient is φ = 60663771480.

The previous prime is 212323200181. The next prime is 212323200223. The reversal of 212323200222 is 222002323212.

It is a super-2 number, since 2×212323200222² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212323200223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2527657104 + ... + 2527657187.

It is an arithmetic number, because the mean of its divisors is an integer number (30331885752).

Almost surely, 2^212323200222 is an apocalyptic number.

212323200222 is an abundant number, since it is smaller than the sum of its proper divisors (272986971810).

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

212323200222 is a wasteful number, since it uses less digits than its factorization.

212323200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055314303.

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

Adding to 212323200222 its reverse (222002323212), we get a palindrome (434325523434).

The spelling of 212323200222 in words is "two hundred twelve billion, three hundred twenty-three million, two hundred thousand, two hundred twenty-two".