1312301012501 has 2 divisors, whose sum is σ = 1312301012502. Its totient is φ = 1312301012500.

The previous prime is 1312301012389. The next prime is 1312301012513. The reversal of 1312301012501 is 1052101032131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1260120747601 + 52180264900 = 1122551^2 + 228430^2 .

It is an emirp because it is prime and its reverse (1052101032131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1312301012501 - 2¹⁴ = 1312300996117 is a prime.

It is a super-2 number, since 2×1312301012501² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312301012531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656150506250 + 656150506251.

It is an arithmetic number, because the mean of its divisors is an integer number (656150506251).

Almost surely, 2^{1312301012501} is an apocalyptic number.

It is an amenable number.

1312301012501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312301012501 is an equidigital number, since it uses as much as digits as its factorization.

1312301012501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 1312301012501 its reverse (1052101032131), we get a palindrome (2364402044632).

The spelling of 1312301012501 in words is "one trillion, three hundred twelve billion, three hundred one million, twelve thousand, five hundred one".