1312199107 has 2 divisors, whose sum is σ = 1312199108. Its totient is φ = 1312199106.

The previous prime is 1312199089. The next prime is 1312199113. The reversal of 1312199107 is 7019912131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312199107 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312199507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656099553 + 656099554.

It is an arithmetic number, because the mean of its divisors is an integer number (656099554).

Almost surely, 2^1312199107 is an apocalyptic number.

1312199107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312199107 is an equidigital number, since it uses as much as digits as its factorization.

1312199107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 34.

The square root of 1312199107 is about 36224.2889095148. The cubic root of 1312199107 is about 1094.7961108535.

The spelling of 1312199107 in words is "one billion, three hundred twelve million, one hundred ninety-nine thousand, one hundred seven".