1310012123213 has 2 divisors, whose sum is σ = 1310012123214. Its totient is φ = 1310012123212.

The previous prime is 1310012123179. The next prime is 1310012123221. The reversal of 1310012123213 is 3123212100131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 805375220329 + 504636902884 = 897427^2 + 710378^2 .

It is an emirp because it is prime and its reverse (3123212100131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1310012123213 - 2³⁰ = 1308938381389 is a prime.

It is a super-2 number, since 2×1310012123213² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310012123243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655006061606 + 655006061607.

It is an arithmetic number, because the mean of its divisors is an integer number (655006061607).

Almost surely, 2^{1310012123213} is an apocalyptic number.

It is an amenable number.

1310012123213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310012123213 is an equidigital number, since it uses as much as digits as its factorization.

1310012123213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1310012123213 its reverse (3123212100131), we get a palindrome (4433224223344).

The spelling of 1310012123213 in words is "one trillion, three hundred ten billion, twelve million, one hundred twenty-three thousand, two hundred thirteen".