212234774813 has 2 divisors, whose sum is σ = 212234774814. Its totient is φ = 212234774812.

The previous prime is 212234774753. The next prime is 212234774821. The reversal of 212234774813 is 318477432212.

It is a happy number.

212234774813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172958669689 + 39276105124 = 415883^2 + 198182^2 .

It is a cyclic number.

It is not a de Polignac number, because 212234774813 - 2¹² = 212234770717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212234774863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106117387406 + 106117387407.

It is an arithmetic number, because the mean of its divisors is an integer number (106117387407).

Almost surely, 2^212234774813 is an apocalyptic number.

It is an amenable number.

212234774813 is a deficient number, since it is larger than the sum of its proper divisors (1).

212234774813 is an equidigital number, since it uses as much as digits as its factorization.

212234774813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 451584, while the sum is 44.

The spelling of 212234774813 in words is "two hundred twelve billion, two hundred thirty-four million, seven hundred seventy-four thousand, eight hundred thirteen".