12421112003 has 16 divisors (see below), whose sum is σ = 13559028000. Its totient is φ = 11333613312.

The previous prime is 12421111979. The next prime is 12421112017. The reversal of 12421112003 is 30021112421.

It is a cyclic number.

It is not a de Polignac number, because 12421112003 - 2³⁰ = 11347370179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12421112083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197801 + ... + 252917.

It is an arithmetic number, because the mean of its divisors is an integer number (847439250).

Almost surely, 2^12421112003 is an apocalyptic number.

12421112003 is a deficient number, since it is larger than the sum of its proper divisors (1137915997).

12421112003 is a wasteful number, since it uses less digits than its factorization.

12421112003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55574.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12421112003 its reverse (30021112421), we get a palindrome (42442224424).

The spelling of 12421112003 in words is "twelve billion, four hundred twenty-one million, one hundred twelve thousand, three".