12078075807 has 80 divisors (see below), whose sum is σ = 21187584000. Its totient is φ = 6853669200.

The previous prime is 12078075707. The next prime is 12078075811. The reversal of 12078075807 is 70857087021.

It is not a de Polignac number, because 12078075807 - 2⁸ = 12078075551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12078075827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4193794 + ... + 4196672.

It is an arithmetic number, because the mean of its divisors is an integer number (264844800).

Almost surely, 2^12078075807 is an apocalyptic number.

12078075807 is a deficient number, since it is larger than the sum of its proper divisors (9109508193).

12078075807 is an equidigital number, since it uses as much as digits as its factorization.

12078075807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3063 (or 3040 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 45.

The spelling of 12078075807 in words is "twelve billion, seventy-eight million, seventy-five thousand, eight hundred seven".