12000130720 has 24 divisors (see below), whose sum is σ = 28350309204. Its totient is φ = 4800052224.

The previous prime is 12000130717. The next prime is 12000130729. The reversal of 12000130720 is 2703100021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11962234384 + 37896336 = 109372^2 + 6156^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12000130694 and 12000130703.

It is not an unprimeable number, because it can be changed into a prime (12000130729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37500249 + ... + 37500568.

Almost surely, 2^12000130720 is an apocalyptic number.

12000130720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000130720 is an abundant number, since it is smaller than the sum of its proper divisors (16350178484).

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

12000130720 is an equidigital number, since it uses as much as digits as its factorization.

12000130720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75000832 (or 75000824 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

Adding to 12000130720 its reverse (2703100021), we get a palindrome (14703230741).

The spelling of 12000130720 in words is "twelve billion, one hundred thirty thousand, seven hundred twenty".