12540332120 has 64 divisors (see below), whose sum is σ = 30261276000. Its totient is φ = 4662448128.

The previous prime is 12540332111. The next prime is 12540332153. The reversal of 12540332120 is 2123304521.

12540332120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115385 + ... + 195944.

Almost surely, 2^12540332120 is an apocalyptic number.

12540332120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12540332120 is an abundant number, since it is smaller than the sum of its proper divisors (17720943880).

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

12540332120 is a wasteful number, since it uses less digits than its factorization.

12540332120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311412 (or 311408 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 12540332120 its reverse (2123304521), we get a palindrome (14663636641).

The spelling of 12540332120 in words is "twelve billion, five hundred forty million, three hundred thirty-two thousand, one hundred twenty".