12385772050 has 24 divisors (see below), whose sum is σ = 23055667200. Its totient is φ = 4950409680.

The previous prime is 12385772039. The next prime is 12385772051. The reversal of 12385772050 is 5027758321.

It is a happy number.

12385772050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12385772050² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12385771994 and 12385772012.

It is not an unprimeable number, because it can be changed into a prime (12385772051) 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 11 ways as a sum of consecutive naturals, for example, 32890 + ... + 160789.

It is an arithmetic number, because the mean of its divisors is an integer number (960652800).

Almost surely, 2^12385772050 is an apocalyptic number.

12385772050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12385772050 is a deficient number, since it is larger than the sum of its proper divisors (10669895150).

12385772050 is a wasteful number, since it uses less digits than its factorization.

12385772050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194970 (or 194965 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 12385772050 in words is "twelve billion, three hundred eighty-five million, seven hundred seventy-two thousand, fifty".