12978329602 has 16 divisors (see below), whose sum is σ = 22385063232. Its totient is φ = 5528016720.

The previous prime is 12978329597. The next prime is 12978329627. The reversal of 12978329602 is 20692387921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2841349 + ... + 2845912.

It is an arithmetic number, because the mean of its divisors is an integer number (1399066452).

Almost surely, 2^12978329602 is an apocalyptic number.

12978329602 is a deficient number, since it is larger than the sum of its proper divisors (9406733630).

12978329602 is a wasteful number, since it uses less digits than its factorization.

12978329602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5687433.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 12978329602 in words is "twelve billion, nine hundred seventy-eight million, three hundred twenty-nine thousand, six hundred two".