212112301210213 has 4 divisors (see below), whose sum is σ = 217045145424448. Its totient is φ = 207179456995980.

The previous prime is 212112301210163. The next prime is 212112301210223. The reversal of 212112301210213 is 312012103211212.

It is a happy number.

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 212112301210213 - 2⁹ = 212112301209701 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 (212112301210223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2466422107053 + ... + 2466422107138.

It is an arithmetic number, because the mean of its divisors is an integer number (54261286356112).

Almost surely, 2^{212112301210213} is an apocalyptic number.

It is an amenable number.

212112301210213 is a deficient number, since it is larger than the sum of its proper divisors (4932844214235).

212112301210213 is an equidigital number, since it uses as much as digits as its factorization.

212112301210213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4932844214234.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 212112301210213 its reverse (312012103211212), we get a palindrome (524124404421425).

The spelling of 212112301210213 in words is "two hundred twelve trillion, one hundred twelve billion, three hundred one million, two hundred ten thousand, two hundred thirteen".