212211434422 has 16 divisors (see below), whose sum is σ = 342810911520. Its totient is φ = 97941503232.

The previous prime is 212211434419. The next prime is 212211434489. The reversal of 212211434422 is 224434112212.

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, 1773478 + ... + 1889350.

It is an arithmetic number, because the mean of its divisors is an integer number (21425681970).

Almost surely, 2^212211434422 is an apocalyptic number.

212211434422 is a deficient number, since it is larger than the sum of its proper divisors (130599477098).

212211434422 is a wasteful number, since it uses less digits than its factorization.

212211434422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186327.

The product of its digits is 6144, while the sum is 28.

Adding to 212211434422 its reverse (224434112212), we get a palindrome (436645546634).

The spelling of 212211434422 in words is "two hundred twelve billion, two hundred eleven million, four hundred thirty-four thousand, four hundred twenty-two".