212212202213 has 24 divisors (see below), whose sum is σ = 237014950368. Its totient is φ = 189836460000.

The previous prime is 212212202161. The next prime is 212212202281. The reversal of 212212202213 is 312202212212.

It is not a de Polignac number, because 212212202213 - 2¹² = 212212198117 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 (212212802213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1938758 + ... + 2045288.

It is an arithmetic number, because the mean of its divisors is an integer number (9875622932).

Almost surely, 2^212212202213 is an apocalyptic number.

It is an amenable number.

212212202213 is a deficient number, since it is larger than the sum of its proper divisors (24802748155).

212212202213 is a wasteful number, since it uses less digits than its factorization.

212212202213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106817 (or 106806 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 212212202213 its reverse (312202212212), we get a palindrome (524414414425).

Subtracting 212212202213 from its reverse (312202212212), we obtain a palindrome (99990009999).

The spelling of 212212202213 in words is "two hundred twelve billion, two hundred twelve million, two hundred two thousand, two hundred thirteen".