312212344422311 has 4 divisors (see below), whose sum is σ = 312753440340432. Its totient is φ = 311671248504192.

The previous prime is 312212344422271. The next prime is 312212344422313. The reversal of 312212344422311 is 113224443212213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312212344422311 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 (312212344422313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270547958195 + ... + 270547959348.

It is an arithmetic number, because the mean of its divisors is an integer number (78188360085108).

Almost surely, 2^{312212344422311} is an apocalyptic number.

312212344422311 is a deficient number, since it is larger than the sum of its proper divisors (541095918121).

312212344422311 is an equidigital number, since it uses as much as digits as its factorization.

312212344422311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541095918120.

The product of its digits is 55296, while the sum is 35.

Adding to 312212344422311 its reverse (113224443212213), we get a palindrome (425436787634524).

The spelling of 312212344422311 in words is "three hundred twelve trillion, two hundred twelve billion, three hundred forty-four million, four hundred twenty-two thousand, three hundred eleven".