12001121130 has 64 divisors (see below), whose sum is σ = 29018632320. Its totient is φ = 3176361216.

The previous prime is 12001121089. The next prime is 12001121149. The reversal of 12001121130 is 3112110021.

12001121130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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 31 ways as a sum of consecutive naturals, for example, 5421904 + ... + 5424116.

It is an arithmetic number, because the mean of its divisors is an integer number (453416130).

Almost surely, 2^12001121130 is an apocalyptic number.

12001121130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001121130 is an abundant number, since it is smaller than the sum of its proper divisors (17017511190).

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

12001121130 is a wasteful number, since it uses less digits than its factorization.

12001121130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 12001121130 its reverse (3112110021), we get a palindrome (15113231151).

It can be divided in two parts, 120011 and 21130, that added together give a palindrome (141141).

The spelling of 12001121130 in words is "twelve billion, one million, one hundred twenty-one thousand, one hundred thirty".