1312201101227 has 2 divisors, whose sum is σ = 1312201101228. Its totient is φ = 1312201101226.

The previous prime is 1312201101209. The next prime is 1312201101247. The reversal of 1312201101227 is 7221011022131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1312201101227 - 2⁸ = 1312201100971 is a prime.

It is a super-2 number, since 2×1312201101227² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1312201101247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656100550613 + 656100550614.

It is an arithmetic number, because the mean of its divisors is an integer number (656100550614).

Almost surely, 2^{1312201101227} is an apocalyptic number.

1312201101227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312201101227 is an equidigital number, since it uses as much as digits as its factorization.

1312201101227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 1312201101227 its reverse (7221011022131), we get a palindrome (8533212123358).

The spelling of 1312201101227 in words is "one trillion, three hundred twelve billion, two hundred one million, one hundred one thousand, two hundred twenty-seven".