12012089764440 has 64 divisors (see below), whose sum is σ = 37932915052800. Its totient is φ = 3034633203072.

The previous prime is 12012089764417. The next prime is 12012089764447. The reversal of 12012089764440 is 4446798021021.

It is a self number, because there is not a number n which added to its sum of digits gives 12012089764440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012089764447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2634227932 + ... + 2634232491.

It is an arithmetic number, because the mean of its divisors is an integer number (592701797700).

Almost surely, 2^{12012089764440} is an apocalyptic number.

12012089764440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012089764440 is an abundant number, since it is smaller than the sum of its proper divisors (25920825288360).

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

12012089764440 is a wasteful number, since it uses less digits than its factorization.

12012089764440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5268460456 (or 5268460452 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 12012089764440 in words is "twelve trillion, twelve billion, eighty-nine million, seven hundred sixty-four thousand, four hundred forty".