12172103124 has 24 divisors (see below), whose sum is σ = 29094296448. Its totient is φ = 3958407360.

The previous prime is 12172103113. The next prime is 12172103131. The reversal of 12172103124 is 42130127121.

12172103124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12172103124² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12172103094 and 12172103103.

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 7 ways as a sum of consecutive naturals, for example, 12369532 + ... + 12370515.

It is an arithmetic number, because the mean of its divisors is an integer number (1212262352).

Almost surely, 2^12172103124 is an apocalyptic number.

It is an amenable number.

12172103124 is an abundant number, since it is smaller than the sum of its proper divisors (16922193324).

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

12172103124 is a wasteful number, since it uses less digits than its factorization.

12172103124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24740095 (or 24740093 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The spelling of 12172103124 in words is "twelve billion, one hundred seventy-two million, one hundred three thousand, one hundred twenty-four".