212021003322 has 12 divisors (see below), whose sum is σ = 459378840570. Its totient is φ = 70673667768.

The previous prime is 212021003321. The next prime is 212021003323. The reversal of 212021003322 is 223300120212.

212021003322 is a `hidden beast` number, since 2 + 120 + 210 + 0 + 332 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (212021003321) and next prime (212021003323).

It can be written as a sum of positive squares in only one way, i.e., 157213043001 + 54807960321 = 396501^2 + 234111^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11778944629 = 212021003322 / (2 + 1 + 2 + 0 + 2 + 1 + 0 + 0 + 3 + 3 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 212021003295 and 212021003304.

It is not an unprimeable number, because it can be changed into a prime (212021003321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5889472297 + ... + 5889472332.

Almost surely, 2^212021003322 is an apocalyptic number.

212021003322 is an abundant number, since it is smaller than the sum of its proper divisors (247357837248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212021003322 is a wasteful number, since it uses less digits than its factorization.

212021003322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11778944637 (or 11778944634 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212021003322 its reverse (223300120212), we get a palindrome (435321123534).

The spelling of 212021003322 in words is "two hundred twelve billion, twenty-one million, three thousand, three hundred twenty-two".