12530123300 has 36 divisors (see below), whose sum is σ = 27267470916. Its totient is φ = 4997836800.

The previous prime is 12530123279. The next prime is 12530123357. The reversal of 12530123300 is 332103521.

It can be written as a sum of positive squares in 6 ways, for example, as 46977316 + 12483145984 = 6854^2 + 111728^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142181 + ... + 212780.

Almost surely, 2^12530123300 is an apocalyptic number.

12530123300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12530123300 is an abundant number, since it is smaller than the sum of its proper divisors (14737347616).

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

12530123300 is a wasteful number, since it uses less digits than its factorization.

12530123300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355328 (or 355321 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

Adding to 12530123300 its reverse (332103521), we get a palindrome (12862226821).

The spelling of 12530123300 in words is "twelve billion, five hundred thirty million, one hundred twenty-three thousand, three hundred".