12105174896 has 80 divisors (see below), whose sum is σ = 25393642560. Its totient is φ = 5572976640.

The previous prime is 12105174883. The next prime is 12105174899. The reversal of 12105174896 is 69847150121.

It is a super-2 number, since 2×12105174896² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12105174899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3979136 + ... + 3982176.

It is an arithmetic number, because the mean of its divisors is an integer number (317420532).

Almost surely, 2^12105174896 is an apocalyptic number.

12105174896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12105174896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12696821280).

12105174896 is an abundant number, since it is smaller than the sum of its proper divisors (13288467664).

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

12105174896 is a wasteful number, since it uses less digits than its factorization.

12105174896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3474 (or 3468 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 44.

The spelling of 12105174896 in words is "twelve billion, one hundred five million, one hundred seventy-four thousand, eight hundred ninety-six".