12244140205242 has 32 divisors (see below), whose sum is σ = 27152430151104. Its totient is φ = 3649520179200.

The previous prime is 12244140205147. The next prime is 12244140205249. The reversal of 12244140205242 is 24250204144221.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (12244140205249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1520629383 + ... + 1520637434.

It is an arithmetic number, because the mean of its divisors is an integer number (848513442222).

Almost surely, 2^{12244140205242} is an apocalyptic number.

12244140205242 is an abundant number, since it is smaller than the sum of its proper divisors (14908289945862).

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

12244140205242 is a wasteful number, since it uses less digits than its factorization.

12244140205242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041266894.

The product of its (nonzero) digits is 40960, while the sum is 33.

Adding to 12244140205242 its reverse (24250204144221), we get a palindrome (36494344349463).

The spelling of 12244140205242 in words is "twelve trillion, two hundred forty-four billion, one hundred forty million, two hundred five thousand, two hundred forty-two".