12433032520 has 64 divisors (see below), whose sum is σ = 28178040240. Its totient is φ = 4937088000.

The previous prime is 12433032517. The next prime is 12433032539. The reversal of 12433032520 is 2523033421.

It can be written as a sum of positive squares in 8 ways, for example, as 3492573604 + 8940458916 = 59098^2 + 94554^2 .

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, 9002230 + ... + 9003610.

Almost surely, 2^12433032520 is an apocalyptic number.

12433032520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12433032520 is an abundant number, since it is smaller than the sum of its proper divisors (15745007720).

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

12433032520 is a wasteful number, since it uses less digits than its factorization.

12433032520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866 (or 2862 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 12433032520 its reverse (2523033421), we get a palindrome (14956065941).

Subtracting from 12433032520 its reverse (2523033421), we obtain a palindrome (9909999099).

The spelling of 12433032520 in words is "twelve billion, four hundred thirty-three million, thirty-two thousand, five hundred twenty".