12318428050 has 12 divisors (see below), whose sum is σ = 22912276266. Its totient is φ = 4927371200.

The previous prime is 12318427973. The next prime is 12318428069. The reversal of 12318428050 is 5082481321.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 8620936801 + 3697491249 = 92849^2 + 60807^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12318427997 and 12318428015.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123184231 + ... + 123184330.

Almost surely, 2^12318428050 is an apocalyptic number.

12318428050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12318428050 is a deficient number, since it is larger than the sum of its proper divisors (10593848216).

12318428050 is a wasteful number, since it uses less digits than its factorization.

12318428050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246368573 (or 246368568 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The spelling of 12318428050 in words is "twelve billion, three hundred eighteen million, four hundred twenty-eight thousand, fifty".