1312312201147 has 2 divisors, whose sum is σ = 1312312201148. Its totient is φ = 1312312201146.

The previous prime is 1312312201097. The next prime is 1312312201217. The reversal of 1312312201147 is 7411022132131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1312312201147 - 2³⁵ = 1277952462779 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312312201847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656156100573 + 656156100574.

It is an arithmetic number, because the mean of its divisors is an integer number (656156100574).

Almost surely, 2^{1312312201147} is an apocalyptic number.

1312312201147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312312201147 is an equidigital number, since it uses as much as digits as its factorization.

1312312201147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

Adding to 1312312201147 its reverse (7411022132131), we get a palindrome (8723334333278).

The spelling of 1312312201147 in words is "one trillion, three hundred twelve billion, three hundred twelve million, two hundred one thousand, one hundred forty-seven".