12012130240 has 56 divisors (see below), whose sum is σ = 31204247472. Its totient is φ = 4368046080.

The previous prime is 12012130219. The next prime is 12012130289. The reversal of 12012130240 is 4203121021.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

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, 1702749 + ... + 1709788.

Almost surely, 2^12012130240 is an apocalyptic number.

12012130240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012130240 is an abundant number, since it is smaller than the sum of its proper divisors (19192117232).

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

12012130240 is a wasteful number, since it uses less digits than its factorization.

12012130240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3412565 (or 3412555 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12012130240 its reverse (4203121021), we get a palindrome (16215251261).

The spelling of 12012130240 in words is "twelve billion, twelve million, one hundred thirty thousand, two hundred forty".