12530310250 has 16 divisors (see below), whose sum is σ = 23456741256. Its totient is φ = 5012124000.

The previous prime is 12530310211. The next prime is 12530310257. The reversal of 12530310250 is 5201303521.

It can be written as a sum of positive squares in 4 ways, for example, as 6590679489 + 5939630761 = 81183^2 + 77069^2 .

It is a super-2 number, since 2×12530310250² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12530310257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25060371 + ... + 25060870.

Almost surely, 2^12530310250 is an apocalyptic number.

12530310250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12530310250 is a deficient number, since it is larger than the sum of its proper divisors (10926431006).

12530310250 is an equidigital number, since it uses as much as digits as its factorization.

12530310250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50121258 (or 50121248 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 12530310250 its reverse (5201303521), we get a palindrome (17731613771).

The spelling of 12530310250 in words is "twelve billion, five hundred thirty million, three hundred ten thousand, two hundred fifty".