12244342132 has 12 divisors (see below), whose sum is σ = 23375562336. Its totient is φ = 5565610040.

The previous prime is 12244342111. The next prime is 12244342139. The reversal of 12244342132 is 23124344221.

It is a self number, because there is not a number n which added to its sum of digits gives 12244342132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12244342139) 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 3 ways as a sum of consecutive naturals, for example, 139140208 + ... + 139140295.

It is an arithmetic number, because the mean of its divisors is an integer number (1947963528).

Almost surely, 2^12244342132 is an apocalyptic number.

It is an amenable number.

12244342132 is a deficient number, since it is larger than the sum of its proper divisors (11131220204).

12244342132 is a wasteful number, since it uses less digits than its factorization.

12244342132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278280518 (or 278280516 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

Adding to 12244342132 its reverse (23124344221), we get a palindrome (35368686353).

The spelling of 12244342132 in words is "twelve billion, two hundred forty-four million, three hundred forty-two thousand, one hundred thirty-two".