12087336838 has 8 divisors (see below), whose sum is σ = 19197535032. Its totient is φ = 5688158496.

The previous prime is 12087336803. The next prime is 12087336893. The reversal of 12087336838 is 83863378021.

12087336838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12087336838² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12087336791 and 12087336800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177754920 + ... + 177754987.

It is an arithmetic number, because the mean of its divisors is an integer number (2399691879).

Almost surely, 2^12087336838 is an apocalyptic number.

12087336838 is a deficient number, since it is larger than the sum of its proper divisors (7110198194).

12087336838 is a wasteful number, since it uses less digits than its factorization.

12087336838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355509926.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 12087336838 in words is "twelve billion, eighty-seven million, three hundred thirty-six thousand, eight hundred thirty-eight".