12421044203 has 8 divisors (see below), whose sum is σ = 13153959360. Its totient is φ = 11688380800.

The previous prime is 12421044191. The next prime is 12421044247. The reversal of 12421044203 is 30244012421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12421044203 - 2⁴ = 12421044187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12421044403) 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 7 ways as a sum of consecutive naturals, for example, 43838 + ... + 163596.

It is an arithmetic number, because the mean of its divisors is an integer number (1644244920).

Almost surely, 2^12421044203 is an apocalyptic number.

12421044203 is a deficient number, since it is larger than the sum of its proper divisors (732915157).

12421044203 is a wasteful number, since it uses less digits than its factorization.

12421044203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125877.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12421044203 its reverse (30244012421), we get a palindrome (42665056624).

The spelling of 12421044203 in words is "twelve billion, four hundred twenty-one million, forty-four thousand, two hundred three".