212101010313 has 4 divisors (see below), whose sum is σ = 282801347088. Its totient is φ = 141400673540.

The previous prime is 212101010299. The next prime is 212101010327. The reversal of 212101010313 is 313010101212.

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 an interprime number because it is at equal distance from previous prime (212101010299) and next prime (212101010327).

It is a cyclic number.

It is not a de Polignac number, because 212101010313 - 2⁵ = 212101010281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212101010292 and 212101010301.

It is not an unprimeable number, because it can be changed into a prime (212101010353) 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, 35350168383 + ... + 35350168388.

It is an arithmetic number, because the mean of its divisors is an integer number (70700336772).

Almost surely, 2^212101010313 is an apocalyptic number.

It is an amenable number.

212101010313 is a deficient number, since it is larger than the sum of its proper divisors (70700336775).

212101010313 is an equidigital number, since it uses as much as digits as its factorization.

212101010313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70700336774.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 212101010313 its reverse (313010101212), we get a palindrome (525111111525).

The spelling of 212101010313 in words is "two hundred twelve billion, one hundred one million, ten thousand, three hundred thirteen".