212333221322 has 64 divisors (see below), whose sum is σ = 339574809600. Its totient is φ = 99419980800.

The previous prime is 212333221253. The next prime is 212333221363. The reversal of 212333221322 is 223122333212.

It is a junction number, because it is equal to n+sod(n) for n = 212333221291 and 212333221300.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116473703 + ... + 116475525.

It is an arithmetic number, because the mean of its divisors is an integer number (5305856400).

Almost surely, 2^212333221322 is an apocalyptic number.

212333221322 is a deficient number, since it is larger than the sum of its proper divisors (127241588278).

212333221322 is a wasteful number, since it uses less digits than its factorization.

212333221322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351.

The product of its digits is 5184, while the sum is 26.

Adding to 212333221322 its reverse (223122333212), we get a palindrome (435455554534).

The spelling of 212333221322 in words is "two hundred twelve billion, three hundred thirty-three million, two hundred twenty-one thousand, three hundred twenty-two".