12004402140 has 36 divisors (see below), whose sum is σ = 36413353704. Its totient is φ = 3201173856.

The previous prime is 12004402099. The next prime is 12004402153. The reversal of 12004402140 is 4120440021.

12004402140 is a `hidden beast` number, since 1 + 200 + 440 + 21 + 4 + 0 = 666.

12004402140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 33345382 + ... + 33345741.

Almost surely, 2^12004402140 is an apocalyptic number.

12004402140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12004402140 is an abundant number, since it is smaller than the sum of its proper divisors (24408951564).

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

12004402140 is a wasteful number, since it uses less digits than its factorization.

12004402140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66691138 (or 66691133 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12004402140 its reverse (4120440021), we get a palindrome (16124842161).

The spelling of 12004402140 in words is "twelve billion, four million, four hundred two thousand, one hundred forty".