212000221022 has 16 divisors (see below), whose sum is σ = 331837692192. Its totient is φ = 101387969760.

The previous prime is 212000221007. The next prime is 212000221031. The reversal of 212000221022 is 220122000212.

It is a junction number, because it is equal to n+sod(n) for n = 212000220988 and 212000221006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1753772 + ... + 1870752.

It is an arithmetic number, because the mean of its divisors is an integer number (20739855762).

Almost surely, 2^212000221022 is an apocalyptic number.

212000221022 is a deficient number, since it is larger than the sum of its proper divisors (119837471170).

212000221022 is a wasteful number, since it uses less digits than its factorization.

212000221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156403.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 212000221022 its reverse (220122000212), we get a palindrome (432122221234).

The spelling of 212000221022 in words is "two hundred twelve billion, two hundred twenty-one thousand, twenty-two".