1312120223093 has 2 divisors, whose sum is σ = 1312120223094. Its totient is φ = 1312120223092.

The previous prime is 1312120223087. The next prime is 1312120223177. The reversal of 1312120223093 is 3903220212131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 908815209124 + 403305013969 = 953318^2 + 635063^2 .

It is an emirp because it is prime and its reverse (3903220212131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1312120223093 - 2²⁸ = 1311851787637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312120223023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656060111546 + 656060111547.

It is an arithmetic number, because the mean of its divisors is an integer number (656060111547).

Almost surely, 2^{1312120223093} is an apocalyptic number.

It is an amenable number.

1312120223093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312120223093 is an equidigital number, since it uses as much as digits as its factorization.

1312120223093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 1312120223093 in words is "one trillion, three hundred twelve billion, one hundred twenty million, two hundred twenty-three thousand, ninety-three".