1312200021107 has 2 divisors, whose sum is σ = 1312200021108. Its totient is φ = 1312200021106.

The previous prime is 1312200021043. The next prime is 1312200021151. The reversal of 1312200021107 is 7011200022131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1312200021107 - 2⁶ = 1312200021043 is a prime.

It is a super-2 number, since 2×1312200021107² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1312200021607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656100010553 + 656100010554.

It is an arithmetic number, because the mean of its divisors is an integer number (656100010554).

Almost surely, 2^{1312200021107} is an apocalyptic number.

1312200021107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312200021107 is an equidigital number, since it uses as much as digits as its factorization.

1312200021107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 1312200021107 its reverse (7011200022131), we get a palindrome (8323400043238).

The spelling of 1312200021107 in words is "one trillion, three hundred twelve billion, two hundred million, twenty-one thousand, one hundred seven".