212122000222 has 12 divisors (see below), whose sum is σ = 349738339608. Its totient is φ = 96419090900.

The previous prime is 212122000217. The next prime is 212122000231. The reversal of 212122000222 is 222000221212.

It is a junction number, because it is equal to n+sod(n) for n = 212122000196 and 212122000205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 438268354 + ... + 438268837.

It is an arithmetic number, because the mean of its divisors is an integer number (29144861634).

Almost surely, 2^212122000222 is an apocalyptic number.

212122000222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212122000222 is a deficient number, since it is larger than the sum of its proper divisors (137616339386).

212122000222 is a wasteful number, since it uses less digits than its factorization.

212122000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876537215 (or 876537204 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 212122000222 its reverse (222000221212), we get a palindrome (434122221434).

The spelling of 212122000222 in words is "two hundred twelve billion, one hundred twenty-two million, two hundred twenty-two", and thus it is an aban number.