212212201022 has 16 divisors (see below), whose sum is σ = 326114504352. Its totient is φ = 103507879680.

The previous prime is 212212201021. The next prime is 212212201037. The reversal of 212212201022 is 220102212212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212212201021) 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, 738983 + ... + 985149.

It is an arithmetic number, because the mean of its divisors is an integer number (20382156522).

Almost surely, 2^212212201022 is an apocalyptic number.

212212201022 is a deficient number, since it is larger than the sum of its proper divisors (113902303330).

212212201022 is a wasteful number, since it uses less digits than its factorization.

212212201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256723.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212212201022 its reverse (220102212212), we get a palindrome (432314413234).

The spelling of 212212201022 in words is "two hundred twelve billion, two hundred twelve million, two hundred one thousand, twenty-two".