1312322211029 has 2 divisors, whose sum is σ = 1312322211030. Its totient is φ = 1312322211028.

The previous prime is 1312322210989. The next prime is 1312322211089. The reversal of 1312322211029 is 9201122232131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1243229460004 + 69092751025 = 1115002^2 + 262855^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312322211029 - 2¹² = 1312322206933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1312322210992 and 1312322211010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312322211089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656161105514 + 656161105515.

It is an arithmetic number, because the mean of its divisors is an integer number (656161105515).

Almost surely, 2^{1312322211029} is an apocalyptic number.

It is an amenable number.

1312322211029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312322211029 is an equidigital number, since it uses as much as digits as its factorization.

1312322211029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 1312322211029 in words is "one trillion, three hundred twelve billion, three hundred twenty-two million, two hundred eleven thousand, twenty-nine".