12043015988 has 24 divisors (see below), whose sum is σ = 21388184832. Its totient is φ = 5932664064.

The previous prime is 12043015987. The next prime is 12043015991. The reversal of 12043015988 is 88951034021.

It is a super-2 number, since 2×12043015988² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12043015987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16931 + ... + 156117.

It is an arithmetic number, because the mean of its divisors is an integer number (891174368).

Almost surely, 2^12043015988 is an apocalyptic number.

It is an amenable number.

12043015988 is a deficient number, since it is larger than the sum of its proper divisors (9345168844).

12043015988 is a wasteful number, since it uses less digits than its factorization.

12043015988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139511 (or 139509 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 12043015988 in words is "twelve billion, forty-three million, fifteen thousand, nine hundred eighty-eight".