12424021203 has 16 divisors (see below), whose sum is σ = 18082584576. Its totient is φ = 7525009440.

The previous prime is 12424021199. The next prime is 12424021213. The reversal of 12424021203 is 30212042421.

It is not a de Polignac number, because 12424021203 - 2² = 12424021199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12424021203.

It is not an unprimeable number, because it can be changed into a prime (12424021213) 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, 63475 + ... + 169932.

It is an arithmetic number, because the mean of its divisors is an integer number (1130161536).

Almost surely, 2^12424021203 is an apocalyptic number.

12424021203 is a deficient number, since it is larger than the sum of its proper divisors (5658563373).

12424021203 is a wasteful number, since it uses less digits than its factorization.

12424021203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235034.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12424021203 its reverse (30212042421), we get a palindrome (42636063624).

The spelling of 12424021203 in words is "twelve billion, four hundred twenty-four million, twenty-one thousand, two hundred three".