12204240342 has 16 divisors (see below), whose sum is σ = 27895406592. Its totient is φ = 3486925800.

The previous prime is 12204240337. The next prime is 12204240343. The reversal of 12204240342 is 24304240221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12204240343) 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, 145288534 + ... + 145288617.

It is an arithmetic number, because the mean of its divisors is an integer number (1743462912).

Almost surely, 2^12204240342 is an apocalyptic number.

12204240342 is an abundant number, since it is smaller than the sum of its proper divisors (15691166250).

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

12204240342 is a wasteful number, since it uses less digits than its factorization.

12204240342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290577163.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 12204240342 its reverse (24304240221), we get a palindrome (36508480563).

The spelling of 12204240342 in words is "twelve billion, two hundred four million, two hundred forty thousand, three hundred forty-two".