212021030333223 has 24 divisors (see below), whose sum is σ = 324269038173600. Its totient is φ = 133032155134464.

The previous prime is 212021030333209. The next prime is 212021030333227. The reversal of 212021030333223 is 322333030120212.

212021030333223 is a `hidden beast` number, since 2 + 1 + 2 + 0 + 2 + 1 + 0 + 303 + 332 + 23 = 666.

It is not a de Polignac number, because 212021030333223 - 2³⁷ = 211883591379751 is a prime.

It is a super-2 number, since 2×212021030333223² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021030333227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29147323 + ... + 35687651.

It is an arithmetic number, because the mean of its divisors is an integer number (13511209923900).

Almost surely, 2^{212021030333223} is an apocalyptic number.

212021030333223 is a deficient number, since it is larger than the sum of its proper divisors (112248007840377).

212021030333223 is a wasteful number, since it uses less digits than its factorization.

212021030333223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6752231 (or 6752228 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 212021030333223 its reverse (322333030120212), we get a palindrome (534354060453435).

The spelling of 212021030333223 in words is "two hundred twelve trillion, twenty-one billion, thirty million, three hundred thirty-three thousand, two hundred twenty-three".