212321214422 has 8 divisors (see below), whose sum is σ = 320989552896. Its totient is φ = 105324696792.

The previous prime is 212321214401. The next prime is 212321214433. The reversal of 212321214422 is 224412123212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 212321214391 and 212321214400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417954893 + ... + 417955400.

It is an arithmetic number, because the mean of its divisors is an integer number (40123694112).

Almost surely, 2^212321214422 is an apocalyptic number.

212321214422 is a deficient number, since it is larger than the sum of its proper divisors (108668338474).

212321214422 is a wasteful number, since it uses less digits than its factorization.

212321214422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835910422.

The product of its digits is 3072, while the sum is 26.

Adding to 212321214422 its reverse (224412123212), we get a palindrome (436733337634).

The spelling of 212321214422 in words is "two hundred twelve billion, three hundred twenty-one million, two hundred fourteen thousand, four hundred twenty-two".