1320133403242 has 16 divisors (see below), whose sum is σ = 1992411190080. Its totient is φ = 655996594752.

The previous prime is 1320133403219. The next prime is 1320133403269. The reversal of 1320133403242 is 2423043310231.

It is a happy number.

It is a super-2 number, since 2×1320133403242² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1320133403242.

It is an unprimeable number.

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, 20639403 + ... + 20703265.

It is an arithmetic number, because the mean of its divisors is an integer number (124525699380).

Almost surely, 2^{1320133403242} is an apocalyptic number.

1320133403242 is a deficient number, since it is larger than the sum of its proper divisors (672277786838).

1320133403242 is a wasteful number, since it uses less digits than its factorization.

1320133403242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127437.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1320133403242 its reverse (2423043310231), we get a palindrome (3743176713473).

The spelling of 1320133403242 in words is "one trillion, three hundred twenty billion, one hundred thirty-three million, four hundred three thousand, two hundred forty-two".