212320424113 has 4 divisors (see below), whose sum is σ = 242651913280. Its totient is φ = 181988934948.

The previous prime is 212320424111. The next prime is 212320424201. The reversal of 212320424113 is 311424023212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212320424113 - 2¹ = 212320424111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212320424111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15165744573 + ... + 15165744586.

It is an arithmetic number, because the mean of its divisors is an integer number (60662978320).

Almost surely, 2^212320424113 is an apocalyptic number.

It is an amenable number.

212320424113 is a deficient number, since it is larger than the sum of its proper divisors (30331489167).

212320424113 is an equidigital number, since it uses as much as digits as its factorization.

212320424113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30331489166.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 212320424113 its reverse (311424023212), we get a palindrome (523744447325).

The spelling of 212320424113 in words is "two hundred twelve billion, three hundred twenty million, four hundred twenty-four thousand, one hundred thirteen".