12171216103 has 8 divisors (see below), whose sum is σ = 12597698880. Its totient is φ = 11745185760.

The previous prime is 12171216067. The next prime is 12171216149. The reversal of 12171216103 is 30161217121.

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

It is a cyclic number.

It is not a de Polignac number, because 12171216103 - 2¹³ = 12171207911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12171216803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57900 + ... + 166417.

It is an arithmetic number, because the mean of its divisors is an integer number (1574712360).

Almost surely, 2^12171216103 is an apocalyptic number.

12171216103 is a deficient number, since it is larger than the sum of its proper divisors (426482777).

12171216103 is a wasteful number, since it uses less digits than its factorization.

12171216103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226217.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 12171216103 in words is "twelve billion, one hundred seventy-one million, two hundred sixteen thousand, one hundred three".