12532161376 has 48 divisors (see below), whose sum is σ = 28211065344. Its totient is φ = 5368316544.

The previous prime is 12532161319. The next prime is 12532161391. The reversal of 12532161376 is 67316123521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489961 + ... + 514903.

It is an arithmetic number, because the mean of its divisors is an integer number (587730528).

Almost surely, 2^12532161376 is an apocalyptic number.

12532161376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12532161376 is an abundant number, since it is smaller than the sum of its proper divisors (15678903968).

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

12532161376 is a wasteful number, since it uses less digits than its factorization.

12532161376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27203 (or 27195 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

Adding to 12532161376 its reverse (67316123521), we get a palindrome (79848284897).

The spelling of 12532161376 in words is "twelve billion, five hundred thirty-two million, one hundred sixty-one thousand, three hundred seventy-six".