1320123133142 has 8 divisors (see below), whose sum is σ = 2160201490632. Its totient is φ = 600055969600.

The previous prime is 1320123133141. The next prime is 1320123133213. The reversal of 1320123133142 is 2413313210231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320123133141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30002798459 + ... + 30002798502.

It is an arithmetic number, because the mean of its divisors is an integer number (270025186329).

Almost surely, 2^{1320123133142} is an apocalyptic number.

1320123133142 is a deficient number, since it is larger than the sum of its proper divisors (840078357490).

1320123133142 is a wasteful number, since it uses less digits than its factorization.

1320123133142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60005596974.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 1320123133142 its reverse (2413313210231), we get a palindrome (3733436343373).

The spelling of 1320123133142 in words is "one trillion, three hundred twenty billion, one hundred twenty-three million, one hundred thirty-three thousand, one hundred forty-two".