12171373126 has 8 divisors (see below), whose sum is σ = 19916792424. Its totient is φ = 5532442320.

The previous prime is 12171373111. The next prime is 12171373133. The reversal of 12171373126 is 62137317121.

12171373126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12171373091 and 12171373100.

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, 276622095 + ... + 276622138.

It is an arithmetic number, because the mean of its divisors is an integer number (2489599053).

Almost surely, 2^12171373126 is an apocalyptic number.

12171373126 is a deficient number, since it is larger than the sum of its proper divisors (7745419298).

12171373126 is a wasteful number, since it uses less digits than its factorization.

12171373126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553244246.

The product of its digits is 10584, while the sum is 34.

The spelling of 12171373126 in words is "twelve billion, one hundred seventy-one million, three hundred seventy-three thousand, one hundred twenty-six".