12105575000 has 96 divisors (see below), whose sum is σ = 29032985520. Its totient is φ = 4729200000.

The previous prime is 12105574973. The next prime is 12105575023. The reversal of 12105575000 is 57550121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1069370 + ... + 1080630.

Almost surely, 2^12105575000 is an apocalyptic number.

12105575000 is a gapful number since it is divisible by the number (10) 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 12105575000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14516492760).

12105575000 is an abundant number, since it is smaller than the sum of its proper divisors (16927410520).

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

12105575000 is an equidigital number, since it uses as much as digits as its factorization.

12105575000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11335 (or 11311 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 26.

The spelling of 12105575000 in words is "twelve billion, one hundred five million, five hundred seventy-five thousand".