3112012221343 has 2 divisors, whose sum is σ = 3112012221344. Its totient is φ = 3112012221342.

The previous prime is 3112012221257. The next prime is 3112012221359. The reversal of 3112012221343 is 3431222102113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3112012221343 - 2³³ = 3103422286751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3112012221943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556006110671 + 1556006110672.

It is an arithmetic number, because the mean of its divisors is an integer number (1556006110672).

Almost surely, 2^{3112012221343} is an apocalyptic number.

3112012221343 is a deficient number, since it is larger than the sum of its proper divisors (1).

3112012221343 is an equidigital number, since it uses as much as digits as its factorization.

3112012221343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 3112012221343 its reverse (3431222102113), we get a palindrome (6543234323456).

The spelling of 3112012221343 in words is "three trillion, one hundred twelve billion, twelve million, two hundred twenty-one thousand, three hundred forty-three".