1320012342 has 32 divisors (see below), whose sum is σ = 3200031360. Its totient is φ = 400003560.

The previous prime is 1320012319. The next prime is 1320012349. The reversal of 1320012342 is 2432100231.

1320012342 is a `hidden beast` number, since 1 + 320 + 0 + 1 + 2 + 342 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320012349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1110528 + ... + 1111715.

It is an arithmetic number, because the mean of its divisors is an integer number (100000980).

Almost surely, 2^1320012342 is an apocalyptic number.

1320012342 is an abundant number, since it is smaller than the sum of its proper divisors (1880019018).

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

1320012342 is a wasteful number, since it uses less digits than its factorization.

1320012342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222265 (or 2222259 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1320012342 is about 36331.9740999577. The cubic root of 1320012342 is about 1096.9647293386.

Adding to 1320012342 its reverse (2432100231), we get a palindrome (3752112573).

The spelling of 1320012342 in words is "one billion, three hundred twenty million, twelve thousand, three hundred forty-two".