12173121332 has 12 divisors (see below), whose sum is σ = 21509787936. Its totient is φ = 6027467640.

The previous prime is 12173121313. The next prime is 12173121341. The reversal of 12173121332 is 23312137121.

12173121332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 14772794 + ... + 14773617.

It is an arithmetic number, because the mean of its divisors is an integer number (1792482328).

Almost surely, 2^12173121332 is an apocalyptic number.

It is an amenable number.

12173121332 is a deficient number, since it is larger than the sum of its proper divisors (9336666604).

12173121332 is a wasteful number, since it uses less digits than its factorization.

12173121332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29546518 (or 29546516 counting only the distinct ones).

The product of its digits is 1512, while the sum is 26.

Adding to 12173121332 its reverse (23312137121), we get a palindrome (35485258453).

The spelling of 12173121332 in words is "twelve billion, one hundred seventy-three million, one hundred twenty-one thousand, three hundred thirty-two".