1320240134242 has 16 divisors (see below), whose sum is σ = 1984643223552. Its totient is φ = 658693453120.

The previous prime is 1320240134221. The next prime is 1320240134249. The reversal of 1320240134242 is 2424310420231.

It is a self number, because there is not a number n which added to its sum of digits gives 1320240134242.

It is not an unprimeable number, because it can be changed into a prime (1320240134249) 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, 2239983 + ... + 2767309.

It is an arithmetic number, because the mean of its divisors is an integer number (124040201472).

Almost surely, 2^{1320240134242} is an apocalyptic number.

1320240134242 is a deficient number, since it is larger than the sum of its proper divisors (664403089310).

1320240134242 is a wasteful number, since it uses less digits than its factorization.

1320240134242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530033.

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

Adding to 1320240134242 its reverse (2424310420231), we get a palindrome (3744550554473).

The spelling of 1320240134242 in words is "one trillion, three hundred twenty billion, two hundred forty million, one hundred thirty-four thousand, two hundred forty-two".