12030230121 has 32 divisors (see below), whose sum is σ = 20161978368. Its totient is φ = 6210596160.

The previous prime is 12030230083. The next prime is 12030230189. The reversal of 12030230121 is 12103203021.

It is not a de Polignac number, because 12030230121 - 2⁹ = 12030229609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12030230121.

It is not an unprimeable number, because it can be changed into a prime (12030230021) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 455965 + ... + 481626.

It is an arithmetic number, because the mean of its divisors is an integer number (630061824).

Almost surely, 2^12030230121 is an apocalyptic number.

It is an amenable number.

12030230121 is a deficient number, since it is larger than the sum of its proper divisors (8131748247).

12030230121 is a wasteful number, since it uses less digits than its factorization.

12030230121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937661.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12030230121 its reverse (12103203021), we get a palindrome (24133433142).

The spelling of 12030230121 in words is "twelve billion, thirty million, two hundred thirty thousand, one hundred twenty-one".