212012330113 has 4 divisors (see below), whose sum is σ = 218851437568.
Its totient is φ = 205173222660.
The previous prime is 212012330107. The next prime is 212012330171. The reversal of 212012330113 is 311033210212.
Adding to 212012330113 its reverse (311033210212), we get a palindrome (523045540325).
212012330113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 212012330113 - 29 = 212012329601 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212012330713) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3419553681 + ... + 3419553742.
It is an arithmetic number, because the mean of its divisors is an integer number (54712859392).
Almost surely, 2212012330113 is an apocalyptic number.
It is an amenable number.
212012330113 is a deficient number, since it is larger than the sum of its proper divisors (6839107455).
212012330113 is an equidigital number, since it uses as much as digits as its factorization.
212012330113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6839107454.
The product of its (nonzero) digits is 216, while the sum is 19.
The spelling of 212012330113 in words is "two hundred twelve billion, twelve million, three hundred thirty thousand, one hundred thirteen".