12203321142 has 32 divisors (see below), whose sum is σ = 24514617600. Its totient is φ = 4049816288.

The previous prime is 12203321129. The next prime is 12203321153. The reversal of 12203321142 is 24112330221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1415188 + ... + 1423784.

It is an arithmetic number, because the mean of its divisors is an integer number (766081800).

Almost surely, 2^12203321142 is an apocalyptic number.

12203321142 is an abundant number, since it is smaller than the sum of its proper divisors (12311296458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12203321142 is a wasteful number, since it uses less digits than its factorization.

12203321142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9620.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12203321142 its reverse (24112330221), we get a palindrome (36315651363).

The spelling of 12203321142 in words is "twelve billion, two hundred three million, three hundred twenty-one thousand, one hundred forty-two".