1320012303747 has 4 divisors (see below), whose sum is σ = 1760016405000. Its totient is φ = 880008202496.

The previous prime is 1320012303713. The next prime is 1320012303781. The reversal of 1320012303747 is 7473032100231.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1320012303713) and next prime (1320012303781).

It is a cyclic number.

It is not a de Polignac number, because 1320012303747 - 2⁷ = 1320012303619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1320012303047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220002050622 + ... + 220002050627.

It is an arithmetic number, because the mean of its divisors is an integer number (440004101250).

Almost surely, 2^{1320012303747} is an apocalyptic number.

1320012303747 is a deficient number, since it is larger than the sum of its proper divisors (440004101253).

1320012303747 is an equidigital number, since it uses as much as digits as its factorization.

1320012303747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440004101252.

The product of its (nonzero) digits is 21168, while the sum is 33.

Adding to 1320012303747 its reverse (7473032100231), we get a palindrome (8793044403978).

The spelling of 1320012303747 in words is "one trillion, three hundred twenty billion, twelve million, three hundred three thousand, seven hundred forty-seven".