12979175280 has 80 divisors (see below), whose sum is σ = 40247138304. Its totient is φ = 3460107520.

The previous prime is 12979175273. The next prime is 12979175281. The reversal of 12979175280 is 8257197921.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12979175281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1215565 + ... + 1226195.

Almost surely, 2^12979175280 is an apocalyptic number.

12979175280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12979175280 is an abundant number, since it is smaller than the sum of its proper divisors (27267963024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12979175280 is a wasteful number, since it uses less digits than its factorization.

12979175280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15734 (or 15728 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 51.

The spelling of 12979175280 in words is "twelve billion, nine hundred seventy-nine million, one hundred seventy-five thousand, two hundred eighty".