12011221130 has 16 divisors (see below), whose sum is σ = 21624209280. Its totient is φ = 4803597072.

The previous prime is 12011221129. The next prime is 12011221151. The reversal of 12011221130 is 3112211021.

12011221130 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 7 ways as a sum of consecutive naturals, for example, 53390 + ... + 163929.

It is an arithmetic number, because the mean of its divisors is an integer number (1351513080).

Almost surely, 2^12011221130 is an apocalyptic number.

12011221130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011221130 is a deficient number, since it is larger than the sum of its proper divisors (9612988150).

12011221130 is a wasteful number, since it uses less digits than its factorization.

12011221130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222853.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12011221130 its reverse (3112211021), we get a palindrome (15123432151).

The spelling of 12011221130 in words is "twelve billion, eleven million, two hundred twenty-one thousand, one hundred thirty".