12149823169 has 8 divisors (see below), whose sum is σ = 13471637760. Its totient is φ = 10864222800.

The previous prime is 12149823139. The next prime is 12149823197. The reversal of 12149823169 is 96132894121.

12149823169 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 cyclic number.

It is not a de Polignac number, because 12149823169 - 2¹³ = 12149814977 is a prime.

It is a super-2 number, since 2×12149823169² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12149823139) 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 7 ways as a sum of consecutive naturals, for example, 9052849 + ... + 9054190.

It is an arithmetic number, because the mean of its divisors is an integer number (1683954720).

Almost surely, 2^12149823169 is an apocalyptic number.

It is an amenable number.

12149823169 is a deficient number, since it is larger than the sum of its proper divisors (1321814591).

12149823169 is a wasteful number, since it uses less digits than its factorization.

12149823169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18107111.

The product of its digits is 186624, while the sum is 46.

The spelling of 12149823169 in words is "twelve billion, one hundred forty-nine million, eight hundred twenty-three thousand, one hundred sixty-nine".