12186748044 has 36 divisors (see below), whose sum is σ = 32617474344. Its totient is φ = 3823293312.

The previous prime is 12186748033. The next prime is 12186748103. The reversal of 12186748044 is 44084768121.

12186748044 is a `hidden beast` number, since 121 + 8 + 6 + 7 + 480 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9955882 + ... + 9957105.

It is an arithmetic number, because the mean of its divisors is an integer number (906040954).

Almost surely, 2^12186748044 is an apocalyptic number.

It is an amenable number.

12186748044 is an abundant number, since it is smaller than the sum of its proper divisors (20430726300).

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

12186748044 is a wasteful number, since it uses less digits than its factorization.

12186748044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19913014 (or 19913009 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 12186748044 in words is "twelve billion, one hundred eighty-six million, seven hundred forty-eight thousand, forty-four".