12078145199 has 2 divisors, whose sum is σ = 12078145200. Its totient is φ = 12078145198.

The previous prime is 12078145103. The next prime is 12078145213. The reversal of 12078145199 is 99154187021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12078145199 - 2⁸ = 12078144943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12078145699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6039072599 + 6039072600.

It is an arithmetic number, because the mean of its divisors is an integer number (6039072600).

Almost surely, 2^12078145199 is an apocalyptic number.

12078145199 is a deficient number, since it is larger than the sum of its proper divisors (1).

12078145199 is an equidigital number, since it uses as much as digits as its factorization.

12078145199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 47.

The spelling of 12078145199 in words is "twelve billion, seventy-eight million, one hundred forty-five thousand, one hundred ninety-nine".