1312100123227 has 2 divisors, whose sum is σ = 1312100123228. Its totient is φ = 1312100123226.

The previous prime is 1312100123203. The next prime is 1312100123231. The reversal of 1312100123227 is 7223210012131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1312100123227 - 2¹¹ = 1312100121179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312100123527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656050061613 + 656050061614.

It is an arithmetic number, because the mean of its divisors is an integer number (656050061614).

Almost surely, 2^{1312100123227} is an apocalyptic number.

1312100123227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312100123227 is an equidigital number, since it uses as much as digits as its factorization.

1312100123227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 1312100123227 its reverse (7223210012131), we get a palindrome (8535310135358).

The spelling of 1312100123227 in words is "one trillion, three hundred twelve billion, one hundred million, one hundred twenty-three thousand, two hundred twenty-seven".