12175364838 has 64 divisors (see below), whose sum is σ = 30701164032. Its totient is φ = 3132760320.

The previous prime is 12175364837. The next prime is 12175364857. The reversal of 12175364838 is 83846357121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12175364833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 249556 + ... + 294327.

It is an arithmetic number, because the mean of its divisors is an integer number (479705688).

Almost surely, 2^12175364838 is an apocalyptic number.

12175364838 is an abundant number, since it is smaller than the sum of its proper divisors (18525799194).

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

12175364838 is a wasteful number, since it uses less digits than its factorization.

12175364838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543949.

The product of its digits is 967680, while the sum is 48.

The spelling of 12175364838 in words is "twelve billion, one hundred seventy-five million, three hundred sixty-four thousand, eight hundred thirty-eight".