212333122213 has 4 divisors (see below), whose sum is σ = 212385958560. Its totient is φ = 212280285868.

The previous prime is 212333122207. The next prime is 212333122219. The reversal of 212333122213 is 312221333212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (212333122207) and next prime (212333122219).

It is a cyclic number.

It is not a de Polignac number, because 212333122213 - 2⁹ = 212333121701 is a prime.

It is a super-3 number, since 3×212333122213³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212333122219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26412145 + ... + 26420182.

It is an arithmetic number, because the mean of its divisors is an integer number (53096489640).

Almost surely, 2^212333122213 is an apocalyptic number.

It is an amenable number.

212333122213 is a deficient number, since it is larger than the sum of its proper divisors (52836347).

212333122213 is an equidigital number, since it uses as much as digits as its factorization.

212333122213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52836346.

The product of its digits is 2592, while the sum is 25.

Adding to 212333122213 its reverse (312221333212), we get a palindrome (524554455425).

The spelling of 212333122213 in words is "two hundred twelve billion, three hundred thirty-three million, one hundred twenty-two thousand, two hundred thirteen".