12302220442 has 16 divisors (see below), whose sum is σ = 20212574760. Its totient is φ = 5589649408.

The previous prime is 12302220401. The next prime is 12302220443. The reversal of 12302220442 is 24402220321.

It can be written as a sum of positive squares in 4 ways, for example, as 12067242201 + 234978241 = 109851^2 + 15329^2 .

It is not an unprimeable number, because it can be changed into a prime (12302220443) 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, 6237463 + ... + 6239434.

Almost surely, 2^12302220442 is an apocalyptic number.

12302220442 is a deficient number, since it is larger than the sum of its proper divisors (7910354318).

12302220442 is a wasteful number, since it uses less digits than its factorization.

12302220442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12476945.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 12302220442 its reverse (24402220321), we get a palindrome (36704440763).

The spelling of 12302220442 in words is "twelve billion, three hundred two million, two hundred twenty thousand, four hundred forty-two".