212021002322 has 16 divisors (see below), whose sum is σ = 337815100152. Its totient is φ = 99455815680.

The previous prime is 212021002321. The next prime is 212021002331. The reversal of 212021002322 is 223200120212.

212021002322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 102791413321 + 109229589001 = 320611^2 + 330499^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 212021002322.

It is not an unprimeable number, because it can be changed into a prime (212021002321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9950879 + ... + 9972162.

Almost surely, 2^212021002322 is an apocalyptic number.

212021002322 is a deficient number, since it is larger than the sum of its proper divisors (125794097830).

212021002322 is a wasteful number, since it uses less digits than its factorization.

212021002322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19923373.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 212021002322 its reverse (223200120212), we get a palindrome (435221122534).

The spelling of 212021002322 in words is "two hundred twelve billion, twenty-one million, two thousand, three hundred twenty-two".