12021130103 has 4 divisors (see below), whose sum is σ = 12137840208. Its totient is φ = 11904420000.

The previous prime is 12021130091. The next prime is 12021130139. The reversal of 12021130103 is 30103112021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12021130103 - 2⁴ = 12021130087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021130603) 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 3 ways as a sum of consecutive naturals, for example, 58354898 + ... + 58355103.

It is an arithmetic number, because the mean of its divisors is an integer number (3034460052).

Almost surely, 2^12021130103 is an apocalyptic number.

12021130103 is a deficient number, since it is larger than the sum of its proper divisors (116710105).

12021130103 is a wasteful number, since it uses less digits than its factorization.

12021130103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116710104.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12021130103 its reverse (30103112021), we get a palindrome (42124242124).

The spelling of 12021130103 in words is "twelve billion, twenty-one million, one hundred thirty thousand, one hundred three".