12388134548 has 12 divisors (see below), whose sum is σ = 21692787732. Its totient is φ = 6190195200.

The previous prime is 12388134509. The next prime is 12388134569. The reversal of 12388134548 is 84543188321.

It can be written as a sum of positive squares in 2 ways, for example, as 7720785424 + 4667349124 = 87868^2 + 68318^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 960815 + ... + 973622.

It is an arithmetic number, because the mean of its divisors is an integer number (1807732311).

Almost surely, 2^12388134548 is an apocalyptic number.

It is an amenable number.

12388134548 is a deficient number, since it is larger than the sum of its proper divisors (9304653184).

12388134548 is a wasteful number, since it uses less digits than its factorization.

12388134548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936042 (or 1936040 counting only the distinct ones).

The product of its digits is 737280, while the sum is 47.

The spelling of 12388134548 in words is "twelve billion, three hundred eighty-eight million, one hundred thirty-four thousand, five hundred forty-eight".