12748197019 has 2 divisors, whose sum is σ = 12748197020. Its totient is φ = 12748197018.

The previous prime is 12748196987. The next prime is 12748197037. The reversal of 12748197019 is 91079184721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12748197019 - 2⁵ = 12748196987 is a prime.

It is a super-2 number, since 2×12748197019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12748197919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6374098509 + 6374098510.

It is an arithmetic number, because the mean of its divisors is an integer number (6374098510).

Almost surely, 2^12748197019 is an apocalyptic number.

12748197019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12748197019 is an equidigital number, since it uses as much as digits as its factorization.

12748197019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 49.

The spelling of 12748197019 in words is "twelve billion, seven hundred forty-eight million, one hundred ninety-seven thousand, nineteen".