212789383213 has 4 divisors (see below), whose sum is σ = 232133872608. Its totient is φ = 193444893820.

The previous prime is 212789383211. The next prime is 212789383229. The reversal of 212789383213 is 312383987212.

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 212789383213 - 2¹ = 212789383211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212789383211) 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, 9672244681 + ... + 9672244702.

It is an arithmetic number, because the mean of its divisors is an integer number (58033468152).

Almost surely, 2^212789383213 is an apocalyptic number.

It is an amenable number.

212789383213 is a deficient number, since it is larger than the sum of its proper divisors (19344489395).

212789383213 is a wasteful number, since it uses less digits than its factorization.

212789383213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19344489394.

The product of its digits is 870912, while the sum is 49.

The spelling of 212789383213 in words is "two hundred twelve billion, seven hundred eighty-nine million, three hundred eighty-three thousand, two hundred thirteen".