212442202340311 has 4 divisors (see below), whose sum is σ = 221678819833392. Its totient is φ = 203205584847232.

The previous prime is 212442202340297. The next prime is 212442202340359. The reversal of 212442202340311 is 113043202244212.

212442202340311 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.

It is a cyclic number.

It is not a de Polignac number, because 212442202340311 - 2³¹ = 212440054856663 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 (212442202340111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4618308746506 + ... + 4618308746551.

It is an arithmetic number, because the mean of its divisors is an integer number (55419704958348).

Almost surely, 2^{212442202340311} is an apocalyptic number.

212442202340311 is a deficient number, since it is larger than the sum of its proper divisors (9236617493081).

212442202340311 is an equidigital number, since it uses as much as digits as its factorization.

212442202340311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9236617493080.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 212442202340311 its reverse (113043202244212), we get a palindrome (325485404584523).

The spelling of 212442202340311 in words is "two hundred twelve trillion, four hundred forty-two billion, two hundred two million, three hundred forty thousand, three hundred eleven".