212013312133 has 4 divisors (see below), whose sum is σ = 242300928160. Its totient is φ = 181725696108.

The previous prime is 212013312109. The next prime is 212013312187. The reversal of 212013312133 is 331213310212.

212013312133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212013312133 - 2¹³ = 212013303941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212013312233) 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 in 3 ways as a sum of consecutive naturals, for example, 15143808003 + ... + 15143808016.

It is an arithmetic number, because the mean of its divisors is an integer number (60575232040).

Almost surely, 2^212013312133 is an apocalyptic number.

It is an amenable number.

212013312133 is a deficient number, since it is larger than the sum of its proper divisors (30287616027).

212013312133 is an equidigital number, since it uses as much as digits as its factorization.

212013312133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30287616026.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 212013312133 its reverse (331213310212), we get a palindrome (543226622345).

The spelling of 212013312133 in words is "two hundred twelve billion, thirteen million, three hundred twelve thousand, one hundred thirty-three".