12421203 has 8 divisors (see below), whose sum is σ = 17535888. Its totient is φ = 7793664.

The previous prime is 12421187. The next prime is 12421217. The reversal of 12421203 is 30212421.

12421203 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12421203 - 2⁴ = 12421187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12421223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121726 + ... + 121827.

It is an arithmetic number, because the mean of its divisors is an integer number (2191986).

Almost surely, 2^12421203 is an apocalyptic number.

12421203 is a deficient number, since it is larger than the sum of its proper divisors (5114685).

12421203 is a wasteful number, since it uses less digits than its factorization.

12421203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243573.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12421203 is about 3524.3727101429. The cubic root of 12421203 is about 231.5907556841.

Adding to 12421203 its reverse (30212421), we get a palindrome (42633624).

The spelling of 12421203 in words is "twelve million, four hundred twenty-one thousand, two hundred three".