12173502380 has 48 divisors (see below), whose sum is σ = 27918644544. Its totient is φ = 4431517440.

The previous prime is 12173502379. The next prime is 12173502403. The reversal of 12173502380 is 8320537121.

It is an unprimeable number.

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, 311267 + ... + 348186.

It is an arithmetic number, because the mean of its divisors is an integer number (581638428).

Almost surely, 2^12173502380 is an apocalyptic number.

12173502380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12173502380 is an abundant number, since it is smaller than the sum of its proper divisors (15745142164).

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

12173502380 is a wasteful number, since it uses less digits than its factorization.

12173502380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659546 (or 659544 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 12173502380 in words is "twelve billion, one hundred seventy-three million, five hundred two thousand, three hundred eighty".