212021313210233 has 8 divisors (see below), whose sum is σ = 218575956890760. Its totient is φ = 205532545345920.

The previous prime is 212021313210121. The next prime is 212021313210253. The reversal of 212021313210233 is 332012313120212.

It can be written as a sum of positive squares in 4 ways, for example, as 506961088144 + 211514352122089 = 712012^2 + 14543533^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212021313210233 - 2⁴⁴ = 194429127165817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212021313210253) 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 7 ways as a sum of consecutive naturals, for example, 16468947518 + ... + 16468960391.

It is an arithmetic number, because the mean of its divisors is an integer number (27321994611345).

Almost surely, 2^{212021313210233} is an apocalyptic number.

It is an amenable number.

212021313210233 is a deficient number, since it is larger than the sum of its proper divisors (6554643680527).

212021313210233 is a wasteful number, since it uses less digits than its factorization.

212021313210233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32937908107.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 212021313210233 its reverse (332012313120212), we get a palindrome (544033626330445).

The spelling of 212021313210233 in words is "two hundred twelve trillion, twenty-one billion, three hundred thirteen million, two hundred ten thousand, two hundred thirty-three".