212412320213 has 4 divisors (see below), whose sum is σ = 215101083840. Its totient is φ = 209723556588.

The previous prime is 212412320207. The next prime is 212412320221. The reversal of 212412320213 is 312023214212.

212412320213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212412320213 - 2³⁶ = 143692843477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212412320293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344381695 + ... + 1344381852.

It is an arithmetic number, because the mean of its divisors is an integer number (53775270960).

Almost surely, 2^212412320213 is an apocalyptic number.

It is an amenable number.

212412320213 is a deficient number, since it is larger than the sum of its proper divisors (2688763627).

212412320213 is an equidigital number, since it uses as much as digits as its factorization.

212412320213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688763626.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 212412320213 its reverse (312023214212), we get a palindrome (524435534425).

The spelling of 212412320213 in words is "two hundred twelve billion, four hundred twelve million, three hundred twenty thousand, two hundred thirteen".