212220255324013 has 4 divisors (see below), whose sum is σ = 212220333949120. Its totient is φ = 212220176698908.

The previous prime is 212220255323987. The next prime is 212220255324037. The reversal of 212220255324013 is 310423552022212.

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 212220255324013 - 2³³ = 212211665389421 is a prime.

It is a super-3 number, since 3×212220255324013³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212220255324013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212220255324713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35114403 + ... + 40711936.

It is an arithmetic number, because the mean of its divisors is an integer number (53055083487280).

Almost surely, 2^{212220255324013} is an apocalyptic number.

It is an amenable number.

212220255324013 is a deficient number, since it is larger than the sum of its proper divisors (78625107).

212220255324013 is an equidigital number, since it uses as much as digits as its factorization.

212220255324013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78625106.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 212220255324013 in words is "two hundred twelve trillion, two hundred twenty billion, two hundred fifty-five million, three hundred twenty-four thousand, thirteen".