12870440978 has 8 divisors (see below), whose sum is σ = 19593805872. Its totient is φ = 6339172356.

The previous prime is 12870440969. The next prime is 12870440981. The reversal of 12870440978 is 87904407821.

12870440978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 48023900 + ... + 48024167.

It is an arithmetic number, because the mean of its divisors is an integer number (2449225734).

Almost surely, 2^12870440978 is an apocalyptic number.

12870440978 is a deficient number, since it is larger than the sum of its proper divisors (6723364894).

12870440978 is an equidigital number, since it uses as much as digits as its factorization.

12870440978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96048136.

The product of its (nonzero) digits is 903168, while the sum is 50.

The spelling of 12870440978 in words is "twelve billion, eight hundred seventy million, four hundred forty thousand, nine hundred seventy-eight".