212020222212 has 144 divisors (see below), whose sum is σ = 564449837952. Its totient is φ = 67014812160.

The previous prime is 212020222207. The next prime is 212020222301. The reversal of 212020222212 is 212222020212.

212020222212 is a `hidden beast` number, since 212 + 0 + 20 + 222 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79022223 + ... + 79024905.

Almost surely, 2^212020222212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212020222212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282224918976).

212020222212 is an abundant number, since it is smaller than the sum of its proper divisors (352429615740).

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

212020222212 is a wasteful number, since it uses less digits than its factorization.

212020222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4218 (or 4213 counting only the distinct ones).

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

Adding to 212020222212 its reverse (212222020212), we get a palindrome (424242242424).

The spelling of 212020222212 in words is "two hundred twelve billion, twenty million, two hundred twenty-two thousand, two hundred twelve".