1312231201037 has 2 divisors, whose sum is σ = 1312231201038. Its totient is φ = 1312231201036.

The previous prime is 1312231201019. The next prime is 1312231201081. The reversal of 1312231201037 is 7301021322131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 760094523556 + 552136677481 = 871834^2 + 743059^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312231201037 - 2⁸ = 1312231200781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1312231200997 and 1312231201015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312231201087) 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, 656115600518 + 656115600519.

It is an arithmetic number, because the mean of its divisors is an integer number (656115600519).

Almost surely, 2^{1312231201037} is an apocalyptic number.

It is an amenable number.

1312231201037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312231201037 is an equidigital number, since it uses as much as digits as its factorization.

1312231201037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 1312231201037 its reverse (7301021322131), we get a palindrome (8613252523168).

The spelling of 1312231201037 in words is "one trillion, three hundred twelve billion, two hundred thirty-one million, two hundred one thousand, thirty-seven".