12134475860 has 96 divisors (see below), whose sum is σ = 27955213440. Its totient is φ = 4397234688.

The previous prime is 12134475853. The next prime is 12134475869. The reversal of 12134475860 is 6857443121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12134475869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5346806 + ... + 5349074.

It is an arithmetic number, because the mean of its divisors is an integer number (291200140).

Almost surely, 2^12134475860 is an apocalyptic number.

12134475860 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 12134475860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13977606720).

12134475860 is an abundant number, since it is smaller than the sum of its proper divisors (15820737580).

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

12134475860 is a wasteful number, since it uses less digits than its factorization.

12134475860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665 (or 2663 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 12134475860 in words is "twelve billion, one hundred thirty-four million, four hundred seventy-five thousand, eight hundred sixty".