12172103103 has 8 divisors (see below), whose sum is σ = 16396785328. Its totient is φ = 8031078144.

The previous prime is 12172103087. The next prime is 12172103113. The reversal of 12172103103 is 30130127121.

It is a happy number.

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

It is not a de Polignac number, because 12172103103 - 2⁴ = 12172103087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12172103103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12172103113) 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, 20913976 + ... + 20914557.

It is an arithmetic number, because the mean of its divisors is an integer number (2049598166).

Almost surely, 2^12172103103 is an apocalyptic number.

12172103103 is a deficient number, since it is larger than the sum of its proper divisors (4224682225).

12172103103 is an equidigital number, since it uses as much as digits as its factorization.

12172103103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41828633.

The product of its (nonzero) digits is 252, while the sum is 21.

The spelling of 12172103103 in words is "twelve billion, one hundred seventy-two million, one hundred three thousand, one hundred three".