12055121003 has 2 divisors, whose sum is σ = 12055121004. Its totient is φ = 12055121002.

The previous prime is 12055120949. The next prime is 12055121033. The reversal of 12055121003 is 30012155021.

It is a happy number.

12055121003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12055121003 - 2⁸ = 12055120747 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12055121033) 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 as a sum of consecutive naturals, namely, 6027560501 + 6027560502.

It is an arithmetic number, because the mean of its divisors is an integer number (6027560502).

Almost surely, 2^12055121003 is an apocalyptic number.

12055121003 is a deficient number, since it is larger than the sum of its proper divisors (1).

12055121003 is an equidigital number, since it uses as much as digits as its factorization.

12055121003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 12055121003 its reverse (30012155021), we get a palindrome (42067276024).

The spelling of 12055121003 in words is "twelve billion, fifty-five million, one hundred twenty-one thousand, three".