212330123322021 has 12 divisors (see below), whose sum is σ = 307095831671148. Its totient is φ = 141370293401664.

The previous prime is 212330123321969. The next prime is 212330123322047. The reversal of 212330123322021 is 120223321033212.

212330123322021 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 301 + 2 + 332 + 2 + 0 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4205903688900 + 208124219633121 = 2050830^2 + 14426511^2 .

It is not a de Polignac number, because 212330123322021 - 2¹⁹ = 212330122797733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212330123322721) 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 11 ways as a sum of consecutive naturals, for example, 15260171520 + ... + 15260185433.

It is an arithmetic number, because the mean of its divisors is an integer number (25591319305929).

Almost surely, 2^{212330123322021} is an apocalyptic number.

It is an amenable number.

212330123322021 is a deficient number, since it is larger than the sum of its proper divisors (94765708349127).

212330123322021 is a wasteful number, since it uses less digits than its factorization.

212330123322021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30520357732 (or 30520357729 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 212330123322021 its reverse (120223321033212), we get a palindrome (332553444355233).

The spelling of 212330123322021 in words is "two hundred twelve trillion, three hundred thirty billion, one hundred twenty-three million, three hundred twenty-two thousand, twenty-one".