12203311042 has 16 divisors (see below), whose sum is σ = 20872632312. Its totient is φ = 5300985600.

The previous prime is 12203310953. The next prime is 12203311049. The reversal of 12203311042 is 24011330221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5798670201 + 6404640841 = 76149^2 + 80029^2 .

It is not an unprimeable number, because it can be changed into a prime (12203311049) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13804209 + ... + 13805092.

Almost surely, 2^12203311042 is an apocalyptic number.

12203311042 is a deficient number, since it is larger than the sum of its proper divisors (8669321270).

12203311042 is a wasteful number, since it uses less digits than its factorization.

12203311042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27609333.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12203311042 its reverse (24011330221), we get a palindrome (36214641263).

The spelling of 12203311042 in words is "twelve billion, two hundred three million, three hundred eleven thousand, forty-two".