212212020222 has 24 divisors (see below), whose sum is σ = 472219541976. Its totient is φ = 68825519856.

The previous prime is 212212020191. The next prime is 212212020257. The reversal of 212212020222 is 222020212212.

212212020222 is a `hidden beast` number, since 21 + 221 + 202 + 0 + 222 = 666.

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 = 212212020195 and 212212020204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159317668 + ... + 159318999.

It is an arithmetic number, because the mean of its divisors is an integer number (19675814249).

Almost surely, 2^212212020222 is an apocalyptic number.

212212020222 is an abundant number, since it is smaller than the sum of its proper divisors (260007521754).

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

212212020222 is a wasteful number, since it uses less digits than its factorization.

212212020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318636712 (or 318636709 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 212212020222 its reverse (222020212212), we get a palindrome (434232232434).

The spelling of 212212020222 in words is "two hundred twelve billion, two hundred twelve million, twenty thousand, two hundred twenty-two".