12516315152 has 20 divisors (see below), whose sum is σ = 26454939216. Its totient is φ = 5689234080.

The previous prime is 12516315143. The next prime is 12516315157. The reversal of 12516315152 is 25151361521.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12516315157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35557538 + ... + 35557889.

Almost surely, 2^12516315152 is an apocalyptic number.

It is an amenable number.

12516315152 is an abundant number, since it is smaller than the sum of its proper divisors (13938624064).

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

12516315152 is a wasteful number, since it uses less digits than its factorization.

12516315152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71115446 (or 71115440 counting only the distinct ones).

The product of its digits is 9000, while the sum is 32.

Adding to 12516315152 its reverse (25151361521), we get a palindrome (37667676673).

The spelling of 12516315152 in words is "twelve billion, five hundred sixteen million, three hundred fifteen thousand, one hundred fifty-two".