212112222001313 has 4 divisors (see below), whose sum is σ = 224589411530820. Its totient is φ = 199635032471808.

The previous prime is 212112222001237. The next prime is 212112222001327. The reversal of 212112222001313 is 313100222211212.

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 168082720067584 + 44029501933729 = 12964672^2 + 6635473^2 .

It is not a de Polignac number, because 212112222001313 - 2⁴² = 207714175490209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212112222001913) 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, 6238594764728 + ... + 6238594764761.

It is an arithmetic number, because the mean of its divisors is an integer number (56147352882705).

Almost surely, 2^{212112222001313} is an apocalyptic number.

It is an amenable number.

212112222001313 is a deficient number, since it is larger than the sum of its proper divisors (12477189529507).

212112222001313 is a wasteful number, since it uses less digits than its factorization.

212112222001313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12477189529506.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 212112222001313 its reverse (313100222211212), we get a palindrome (525212444212525).

The spelling of 212112222001313 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred twenty-two million, one thousand, three hundred thirteen".