12210323242 has 16 divisors (see below), whose sum is σ = 20205452232. Its totient is φ = 5498081280.

The previous prime is 12210323231. The next prime is 12210323249. The reversal of 12210323242 is 24232301221.

It can be written as a sum of positive squares in 4 ways, for example, as 3238634281 + 8971688961 = 56909^2 + 94719^2 .

It is not an unprimeable number, because it can be changed into a prime (12210323249) 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, 5726103 + ... + 5728234.

Almost surely, 2^12210323242 is an apocalyptic number.

12210323242 is a deficient number, since it is larger than the sum of its proper divisors (7995128990).

12210323242 is a wasteful number, since it uses less digits than its factorization.

12210323242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11454393.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12210323242 its reverse (24232301221), we get a palindrome (36442624463).

The spelling of 12210323242 in words is "twelve billion, two hundred ten million, three hundred twenty-three thousand, two hundred forty-two".