212022021033 has 6 divisors (see below), whose sum is σ = 306254030394. Its totient is φ = 141348014016.

The previous prime is 212022020999. The next prime is 212022021037. The reversal of 212022021033 is 330120220212.

It can be written as a sum of positive squares in only one way, i.e., 143601586704 + 68420434329 = 378948^2 + 261573^2 .

It is not a de Polignac number, because 212022021033 - 2⁹ = 212022020521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212022020997 and 212022021015.

It is not an unprimeable number, because it can be changed into a prime (212022021037) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 11779001160 + ... + 11779001177.

It is an arithmetic number, because the mean of its divisors is an integer number (51042338399).

Almost surely, 2^212022021033 is an apocalyptic number.

It is an amenable number.

212022021033 is a deficient number, since it is larger than the sum of its proper divisors (94232009361).

212022021033 is a wasteful number, since it uses less digits than its factorization.

212022021033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23558002343 (or 23558002340 counting only the distinct ones).

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

Adding to 212022021033 its reverse (330120220212), we get a palindrome (542142241245).

The spelling of 212022021033 in words is "two hundred twelve billion, twenty-two million, twenty-one thousand, thirty-three".