212420244213 has 24 divisors (see below), whose sum is σ = 310326120000. Its totient is φ = 140000059584.

The previous prime is 212420244191. The next prime is 212420244217. The reversal of 212420244213 is 312442024212.

It is a happy number.

212420244213 is a `hidden beast` number, since 2 + 1 + 2 + 4 + 202 + 442 + 13 = 666.

It is not a de Polignac number, because 212420244213 - 2⁵ = 212420244181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212420244217) 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 23 ways as a sum of consecutive naturals, for example, 6140038 + ... + 6174536.

It is an arithmetic number, because the mean of its divisors is an integer number (12930255000).

Almost surely, 2^212420244213 is an apocalyptic number.

It is an amenable number.

212420244213 is a deficient number, since it is larger than the sum of its proper divisors (97905875787).

212420244213 is a wasteful number, since it uses less digits than its factorization.

212420244213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42281 (or 42278 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 212420244213 its reverse (312442024212), we get a palindrome (524862268425).

The spelling of 212420244213 in words is "two hundred twelve billion, four hundred twenty million, two hundred forty-four thousand, two hundred thirteen".