12978674530 has 16 divisors (see below), whose sum is σ = 23479012800. Its totient is φ = 5165381232.

The previous prime is 12978674483. The next prime is 12978674539. The reversal of 12978674530 is 3547687921.

12978674530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12978674539) 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 7 ways as a sum of consecutive naturals, for example, 3258984 + ... + 3262963.

It is an arithmetic number, because the mean of its divisors is an integer number (1467438300).

It is a 1-persistent number, because it is pandigital, but 2⋅12978674530 = 25957349060 is not.

Almost surely, 2^12978674530 is an apocalyptic number.

12978674530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12978674530 is a deficient number, since it is larger than the sum of its proper divisors (10500338270).

12978674530 is a wasteful number, since it uses less digits than its factorization.

12978674530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6522153.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 12978674530 in words is "twelve billion, nine hundred seventy-eight million, six hundred seventy-four thousand, five hundred thirty".