212322100322 has 8 divisors (see below), whose sum is σ = 319428205356. Its totient is φ = 105846031872.

The previous prime is 212322100283. The next prime is 212322100349. The reversal of 212322100322 is 223001223212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 210478170841 + 1843929481 = 458779^2 + 42941^2 .

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 = 212322100294 and 212322100303.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 157508303 + ... + 157509650.

Almost surely, 2^212322100322 is an apocalyptic number.

212322100322 is a deficient number, since it is larger than the sum of its proper divisors (107106105034).

212322100322 is a wasteful number, since it uses less digits than its factorization.

212322100322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315018292.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 212322100322 its reverse (223001223212), we get a palindrome (435323323534).

The spelling of 212322100322 in words is "two hundred twelve billion, three hundred twenty-two million, one hundred thousand, three hundred twenty-two".