212212212213 has 8 divisors (see below), whose sum is σ = 284415677248. Its totient is φ = 140741777664.

The previous prime is 212212212101. The next prime is 212212212259. The reversal of 212212212213 is 312212212212.

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

It is not a de Polignac number, because 212212212213 - 2¹³ = 212212204021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212212212213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212212212013) 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, 183256945 + ... + 183258102.

It is an arithmetic number, because the mean of its divisors is an integer number (35551959656).

Almost surely, 2^212212212213 is an apocalyptic number.

It is an amenable number.

212212212213 is a deficient number, since it is larger than the sum of its proper divisors (72203465035).

212212212213 is a wasteful number, since it uses less digits than its factorization.

212212212213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366515243.

The product of its digits is 384, while the sum is 21.

Adding to 212212212213 its reverse (312212212212), we get a palindrome (524424424425).

Subtracting 212212212213 from its reverse (312212212212), we obtain a palindrome (99999999999).

The spelling of 212212212213 in words is "two hundred twelve billion, two hundred twelve million, two hundred twelve thousand, two hundred thirteen".