212312444213 has 8 divisors (see below), whose sum is σ = 219994553856. Its totient is φ = 204682417200.

The previous prime is 212312444207. The next prime is 212312444237. The reversal of 212312444213 is 312444213212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212312444213 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 (212312444273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13012358 + ... + 13028663.

It is an arithmetic number, because the mean of its divisors is an integer number (27499319232).

Almost surely, 2^212312444213 is an apocalyptic number.

It is an amenable number.

212312444213 is a deficient number, since it is larger than the sum of its proper divisors (7682109643).

212312444213 is a wasteful number, since it uses less digits than its factorization.

212312444213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26041315.

The product of its digits is 9216, while the sum is 29.

Adding to 212312444213 its reverse (312444213212), we get a palindrome (524756657425).

The spelling of 212312444213 in words is "two hundred twelve billion, three hundred twelve million, four hundred forty-four thousand, two hundred thirteen".