1320243130242 has 24 divisors (see below), whose sum is σ = 2860562132220. Its totient is φ = 440075604960.

The previous prime is 1320243130189. The next prime is 1320243130243. The reversal of 1320243130242 is 2420313420231.

1320243130242 is a `hidden beast` number, since 1 + 3 + 202 + 431 + 3 + 0 + 24 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 973026389241 + 347216741001 = 986421^2 + 589251^2 .

It is not an unprimeable number, because it can be changed into a prime (1320243130243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1208484 + ... + 2025072.

Almost surely, 2^{1320243130242} is an apocalyptic number.

1320243130242 is an abundant number, since it is smaller than the sum of its proper divisors (1540319001978).

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

1320243130242 is a wasteful number, since it uses less digits than its factorization.

1320243130242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906418 (or 906415 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1320243130242 its reverse (2420313420231), we get a palindrome (3740556550473).

The spelling of 1320243130242 in words is "one trillion, three hundred twenty billion, two hundred forty-three million, one hundred thirty thousand, two hundred forty-two".