212242242213 has 48 divisors (see below), whose sum is σ = 326646552960. Its totient is φ = 132421392000.

The previous prime is 212242242187. The next prime is 212242242217. The reversal of 212242242213 is 312242242212.

212242242213 is a `hidden beast` number, since 2 + 1 + 22 + 422 + 4 + 2 + 213 = 666.

It is not a de Polignac number, because 212242242213 - 2⁵ = 212242242181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212242242217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4650895 + ... + 4696307.

It is an arithmetic number, because the mean of its divisors is an integer number (6805136520).

Almost surely, 2^212242242213 is an apocalyptic number.

It is an amenable number.

212242242213 is a deficient number, since it is larger than the sum of its proper divisors (114404310747).

212242242213 is a wasteful number, since it uses less digits than its factorization.

212242242213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45770 (or 45767 counting only the distinct ones).

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

Adding to 212242242213 its reverse (312242242212), we get a palindrome (524484484425).

Subtracting 212242242213 from its reverse (312242242212), we obtain a palindrome (99999999999).

The spelling of 212242242213 in words is "two hundred twelve billion, two hundred forty-two million, two hundred forty-two thousand, two hundred thirteen".