12120430003 has 24 divisors (see below), whose sum is σ = 13985556480. Its totient is φ = 10482212400.

The previous prime is 12120430001. The next prime is 12120430009. The reversal of 12120430003 is 30003402121.

It is a happy number.

It is not a de Polignac number, because 12120430003 - 2¹ = 12120430001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120430001) 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 23 ways as a sum of consecutive naturals, for example, 193926 + ... + 248692.

It is an arithmetic number, because the mean of its divisors is an integer number (582731520).

Almost surely, 2^12120430003 is an apocalyptic number.

12120430003 is a deficient number, since it is larger than the sum of its proper divisors (1865126477).

12120430003 is a wasteful number, since it uses less digits than its factorization.

12120430003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54879 (or 54868 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12120430003 its reverse (30003402121), we get a palindrome (42123832124).

The spelling of 12120430003 in words is "twelve billion, one hundred twenty million, four hundred thirty thousand, three".