212330333213 has 4 divisors (see below), whose sum is σ = 215929152480. Its totient is φ = 208731513948.

The previous prime is 212330333147. The next prime is 212330333249. The reversal of 212330333213 is 312333033212.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 212330333213 - 2³² = 208035365917 is a prime.

It is a super-2 number, since 2×212330333213² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212330333273) 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 3 ways as a sum of consecutive naturals, for example, 1799409545 + ... + 1799409662.

It is an arithmetic number, because the mean of its divisors is an integer number (53982288120).

Almost surely, 2^212330333213 is an apocalyptic number.

It is an amenable number.

212330333213 is a deficient number, since it is larger than the sum of its proper divisors (3598819267).

212330333213 is an equidigital number, since it uses as much as digits as its factorization.

212330333213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3598819266.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 212330333213 its reverse (312333033212), we get a palindrome (524663366425).

The spelling of 212330333213 in words is "two hundred twelve billion, three hundred thirty million, three hundred thirty-three thousand, two hundred thirteen".