12113044040 has 32 divisors (see below), whose sum is σ = 27495548280. Its totient is φ = 4802337792.

The previous prime is 12113044037. The next prime is 12113044043. The reversal of 12113044040 is 4044031121.

12113044040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12113044037) and next prime (12113044043).

It can be written as a sum of positive squares in 4 ways, for example, as 1821753124 + 10291290916 = 42682^2 + 101446^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (12113044043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1335419 + ... + 1344458.

Almost surely, 2^12113044040 is an apocalyptic number.

12113044040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12113044040 is an abundant number, since it is smaller than the sum of its proper divisors (15382504240).

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

12113044040 is a wasteful number, since it uses less digits than its factorization.

12113044040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680001 (or 2679997 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12113044040 its reverse (4044031121), we get a palindrome (16157075161).

The spelling of 12113044040 in words is "twelve billion, one hundred thirteen million, forty-four thousand, forty".