1312122101443 has 2 divisors, whose sum is σ = 1312122101444. Its totient is φ = 1312122101442.

The previous prime is 1312122101377. The next prime is 1312122101453. The reversal of 1312122101443 is 3441012212131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1312122101443 - 2²¹ = 1312120004291 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312122101453) 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 as a sum of consecutive naturals, namely, 656061050721 + 656061050722.

It is an arithmetic number, because the mean of its divisors is an integer number (656061050722).

Almost surely, 2^{1312122101443} is an apocalyptic number.

1312122101443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312122101443 is an equidigital number, since it uses as much as digits as its factorization.

1312122101443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 1312122101443 its reverse (3441012212131), we get a palindrome (4753134313574).

The spelling of 1312122101443 in words is "one trillion, three hundred twelve billion, one hundred twenty-two million, one hundred one thousand, four hundred forty-three".