12030113121 has 24 divisors (see below), whose sum is σ = 18349915584. Its totient is φ = 6967660800.

The previous prime is 12030113119. The next prime is 12030113129. The reversal of 12030113121 is 12131103021.

It is a happy number.

12030113121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12030113121 - 2¹ = 12030113119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12030113121.

It is not an unprimeable number, because it can be changed into a prime (12030113129) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 522405 + ... + 544946.

It is an arithmetic number, because the mean of its divisors is an integer number (764579816).

Almost surely, 2^12030113121 is an apocalyptic number.

It is an amenable number.

12030113121 is a deficient number, since it is larger than the sum of its proper divisors (6319802463).

12030113121 is a wasteful number, since it uses less digits than its factorization.

12030113121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067401 (or 1067384 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12030113121 its reverse (12131103021), we get a palindrome (24161216142).

The spelling of 12030113121 in words is "twelve billion, thirty million, one hundred thirteen thousand, one hundred twenty-one".