12434529850 has 12 divisors (see below), whose sum is σ = 23128225614. Its totient is φ = 4973811920.

The previous prime is 12434529763. The next prime is 12434529851. The reversal of 12434529850 is 5892543421.

It can be written as a sum of positive squares in 3 ways, for example, as 8675245881 + 3759283969 = 93141^2 + 61313^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12434529797 and 12434529806.

It is not an unprimeable number, because it can be changed into a prime (12434529851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124345249 + ... + 124345348.

Almost surely, 2^12434529850 is an apocalyptic number.

12434529850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12434529850 is a deficient number, since it is larger than the sum of its proper divisors (10693695764).

12434529850 is a wasteful number, since it uses less digits than its factorization.

12434529850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248690609 (or 248690604 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 12434529850 in words is "twelve billion, four hundred thirty-four million, five hundred twenty-nine thousand, eight hundred fifty".