12255503130 has 96 divisors (see below), whose sum is σ = 34519015440. Its totient is φ = 3016690560.

The previous prime is 12255503123. The next prime is 12255503137. The reversal of 12255503130 is 3130555221.

It is a happy number.

12255503130 is a `hidden beast` number, since 1 + 2 + 25 + 5 + 503 + 130 = 666.

12255503130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12255503123) and next prime (12255503137).

It can be written as a sum of positive squares in 8 ways, for example, as 583077609 + 11672425521 = 24147^2 + 108039^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12255503094 and 12255503103.

It is not an unprimeable number, because it can be changed into a prime (12255503137) 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 47 ways as a sum of consecutive naturals, for example, 166740 + ... + 228720.

Almost surely, 2^12255503130 is an apocalyptic number.

12255503130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12255503130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17259507720).

12255503130 is an abundant number, since it is smaller than the sum of its proper divisors (22263512310).

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

12255503130 is a wasteful number, since it uses less digits than its factorization.

12255503130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62033 (or 62004 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The spelling of 12255503130 in words is "twelve billion, two hundred fifty-five million, five hundred three thousand, one hundred thirty".