12532528888840 has 64 divisors (see below), whose sum is σ = 28223502798960. Its totient is φ = 5008512537600.

The previous prime is 12532528888811. The next prime is 12532528888853. The reversal of 12532528888840 is 4888882523521.

It can be written as a sum of positive squares in 8 ways, for example, as 332751307716 + 12199777581124 = 576846^2 + 3492818^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 784599094 + ... + 784615066.

Almost surely, 2^{12532528888840} is an apocalyptic number.

12532528888840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12532528888840 is an abundant number, since it is smaller than the sum of its proper divisors (15690973910120).

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

12532528888840 is a wasteful number, since it uses less digits than its factorization.

12532528888840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32362 (or 32358 counting only the distinct ones).

The product of its (nonzero) digits is 78643200, while the sum is 64.

The spelling of 12532528888840 in words is "twelve trillion, five hundred thirty-two billion, five hundred twenty-eight million, eight hundred eighty-eight thousand, eight hundred forty".