12353012506 has 8 divisors (see below), whose sum is σ = 18530757684. Its totient is φ = 6176093280.

The previous prime is 12353012489. The next prime is 12353012531. The reversal of 12353012506 is 60521035321.

It can be written as a sum of positive squares in 2 ways, for example, as 12322110025 + 30902481 = 111005^2 + 5559^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167635 + ... + 229798.

Almost surely, 2^12353012506 is an apocalyptic number.

12353012506 is a deficient number, since it is larger than the sum of its proper divisors (6177745178).

12353012506 is a wasteful number, since it uses less digits than its factorization.

12353012506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412976.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 12353012506 its reverse (60521035321), we get a palindrome (72874047827).

The spelling of 12353012506 in words is "twelve billion, three hundred fifty-three million, twelve thousand, five hundred six".