212211200022 has 32 divisors (see below), whose sum is σ = 468927055872. Its totient is φ = 63681450624.

The previous prime is 212211200021. The next prime is 212211200053. The reversal of 212211200022 is 220002112212.

It is a junction number, because it is equal to n+sod(n) for n = 212211199974 and 212211200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212211200021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45225958 + ... + 45230649.

It is an arithmetic number, because the mean of its divisors is an integer number (14653970496).

Almost surely, 2^212211200022 is an apocalyptic number.

212211200022 is an abundant number, since it is smaller than the sum of its proper divisors (256715855850).

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

212211200022 is a wasteful number, since it uses less digits than its factorization.

212211200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90456652.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212211200022 its reverse (220002112212), we get a palindrome (432213312234).

The spelling of 212211200022 in words is "two hundred twelve billion, two hundred eleven million, two hundred thousand, twenty-two".