212113013212313 has 4 divisors (see below), whose sum is σ = 212118003092580. Its totient is φ = 212108023332048.

The previous prime is 212113013212283. The next prime is 212113013212351. The reversal of 212113013212313 is 313212310311212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 193943280027904 + 18169733184409 = 13926352^2 + 4262597^2 .

It is a cyclic number.

It is not a de Polignac number, because 212113013212313 - 2¹⁰ = 212113013211289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212113013212363) 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, 2494876370 + ... + 2494961387.

It is an arithmetic number, because the mean of its divisors is an integer number (53029500773145).

Almost surely, 2^{212113013212313} is an apocalyptic number.

It is an amenable number.

212113013212313 is a deficient number, since it is larger than the sum of its proper divisors (4989880267).

212113013212313 is an equidigital number, since it uses as much as digits as its factorization.

212113013212313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4989880266.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 212113013212313 its reverse (313212310311212), we get a palindrome (525325323523525).

The spelling of 212113013212313 in words is "two hundred twelve trillion, one hundred thirteen billion, thirteen million, two hundred twelve thousand, three hundred thirteen".