12158038356 has 12 divisors (see below), whose sum is σ = 28368756192. Its totient is φ = 4052679448.

The previous prime is 12158038351. The next prime is 12158038363. The reversal of 12158038356 is 65383085121.

12158038356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12158038351) by changing a digit.

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, 506584920 + ... + 506584943.

It is an arithmetic number, because the mean of its divisors is an integer number (2364063016).

Almost surely, 2^12158038356 is an apocalyptic number.

It is an amenable number.

12158038356 is an abundant number, since it is smaller than the sum of its proper divisors (16210717836).

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

12158038356 is a wasteful number, since it uses less digits than its factorization.

12158038356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013169870 (or 1013169868 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 12158038356 in words is "twelve billion, one hundred fifty-eight million, thirty-eight thousand, three hundred fifty-six".