212221332130313 has 4 divisors (see below), whose sum is σ = 231514180505808. Its totient is φ = 192928483754820.

The previous prime is 212221332130277. The next prime is 212221332130333. The reversal of 212221332130313 is 313031233122212.

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 not a de Polignac number, because 212221332130313 - 2⁸ = 212221332130057 is a prime.

It is a super-2 number, since 2×212221332130313² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212221332130333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9646424187731 + ... + 9646424187752.

It is an arithmetic number, because the mean of its divisors is an integer number (57878545126452).

Almost surely, 2^{212221332130313} is an apocalyptic number.

It is an amenable number.

212221332130313 is a deficient number, since it is larger than the sum of its proper divisors (19292848375495).

212221332130313 is a wasteful number, since it uses less digits than its factorization.

212221332130313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19292848375494.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 212221332130313 its reverse (313031233122212), we get a palindrome (525252565252525).

The spelling of 212221332130313 in words is "two hundred twelve trillion, two hundred twenty-one billion, three hundred thirty-two million, one hundred thirty thousand, three hundred thirteen".