12040688424 has 64 divisors (see below), whose sum is σ = 31149504000. Its totient is φ = 3874498560.

The previous prime is 12040688419. The next prime is 12040688441. The reversal of 12040688424 is 42488604021.

12040688424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 284512 + ... + 324080.

It is an arithmetic number, because the mean of its divisors is an integer number (486711000).

Almost surely, 2^12040688424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12040688424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15574752000).

12040688424 is an abundant number, since it is smaller than the sum of its proper divisors (19108815576).

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

12040688424 is a wasteful number, since it uses less digits than its factorization.

12040688424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40018 (or 40014 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 39.

The spelling of 12040688424 in words is "twelve billion, forty million, six hundred eighty-eight thousand, four hundred twenty-four".