1320240123342 has 80 divisors (see below), whose sum is σ = 3579810806880. Its totient is φ = 355022548992.

The previous prime is 1320240123341. The next prime is 1320240123383. The reversal of 1320240123342 is 2433210420231.

1320240123342 is a `hidden beast` number, since 1 + 3 + 20 + 2 + 401 + 233 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320240123341) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 34222867 + ... + 34261422.

It is an arithmetic number, because the mean of its divisors is an integer number (44747635086).

Almost surely, 2^{1320240123342} is an apocalyptic number.

1320240123342 is an abundant number, since it is smaller than the sum of its proper divisors (2259570683538).

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

1320240123342 is a wasteful number, since it uses less digits than its factorization.

1320240123342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68484327 (or 68484318 counting only the distinct ones).

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

Adding to 1320240123342 its reverse (2433210420231), we get a palindrome (3753450543573).

The spelling of 1320240123342 in words is "one trillion, three hundred twenty billion, two hundred forty million, one hundred twenty-three thousand, three hundred forty-two".