12530302315 has 8 divisors (see below), whose sum is σ = 15038491248. Its totient is φ = 10022822880.

The previous prime is 12530302261. The next prime is 12530302327. The reversal of 12530302315 is 51320303521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12530302315 - 2⁹ = 12530301803 is a prime.

It is a super-2 number, since 2×12530302315² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12530302315.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137712 + ... + 209821.

It is an arithmetic number, because the mean of its divisors is an integer number (1879811406).

Almost surely, 2^12530302315 is an apocalyptic number.

12530302315 is a deficient number, since it is larger than the sum of its proper divisors (2508188933).

12530302315 is an equidigital number, since it uses as much as digits as its factorization.

12530302315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354749.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 12530302315 its reverse (51320303521), we get a palindrome (63850605836).

The spelling of 12530302315 in words is "twelve billion, five hundred thirty million, three hundred two thousand, three hundred fifteen".