1312000321201 has 2 divisors, whose sum is σ = 1312000321202. Its totient is φ = 1312000321200.

The previous prime is 1312000321189. The next prime is 1312000321213. The reversal of 1312000321201 is 1021230002131.

It is a balanced prime because it is at equal distance from previous prime (1312000321189) and next prime (1312000321213).

It can be written as a sum of positive squares in only one way, i.e., 1132564208400 + 179436112801 = 1064220^2 + 423599^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312000321201 - 2¹⁵ = 1312000288433 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312000321271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656000160600 + 656000160601.

It is an arithmetic number, because the mean of its divisors is an integer number (656000160601).

Almost surely, 2^{1312000321201} is an apocalyptic number.

It is an amenable number.

1312000321201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312000321201 is an equidigital number, since it uses as much as digits as its factorization.

1312000321201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1312000321201 its reverse (1021230002131), we get a palindrome (2333230323332).

The spelling of 1312000321201 in words is "one trillion, three hundred twelve billion, three hundred twenty-one thousand, two hundred one".