12478712995 has 16 divisors (see below), whose sum is σ = 17436565440. Its totient is φ = 8395380864.

The previous prime is 12478712993. The next prime is 12478713007. The reversal of 12478712995 is 59921787421.

12478712995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12478712995 - 2¹ = 12478712993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12478712993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3361680 + ... + 3365389.

It is an arithmetic number, because the mean of its divisors is an integer number (1089785340).

Almost surely, 2^12478712995 is an apocalyptic number.

12478712995 is a deficient number, since it is larger than the sum of its proper divisors (4957852445).

12478712995 is an equidigital number, since it uses as much as digits as its factorization.

12478712995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6727134.

The product of its digits is 2540160, while the sum is 55.

The spelling of 12478712995 in words is "twelve billion, four hundred seventy-eight million, seven hundred twelve thousand, nine hundred ninety-five".