12040197288 has 128 divisors (see below), whose sum is σ = 35303040000. Its totient is φ = 3420419520.

The previous prime is 12040197271. The next prime is 12040197331. The reversal of 12040197288 is 88279104021.

12040197288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 31 ways as a sum of consecutive naturals, for example, 1469443 + ... + 1477613.

It is an arithmetic number, because the mean of its divisors is an integer number (275805000).

Almost surely, 2^12040197288 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 12040197288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17651520000).

12040197288 is an abundant number, since it is smaller than the sum of its proper divisors (23262842712).

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

12040197288 is a wasteful number, since it uses less digits than its factorization.

12040197288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8380 (or 8362 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The spelling of 12040197288 in words is "twelve billion, forty million, one hundred ninety-seven thousand, two hundred eighty-eight".