1320100331012 has 12 divisors (see below), whose sum is σ = 2310261352476. Its totient is φ = 660025658880.

The previous prime is 1320100330907. The next prime is 1320100331027. The reversal of 1320100331012 is 2101330010231.

It can be written as a sum of positive squares in 2 ways, for example, as 141868235716 + 1178232095296 = 376654^2 + 1085464^2 .

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 3 ways as a sum of consecutive naturals, for example, 6005189 + ... + 6221132.

It is an arithmetic number, because the mean of its divisors is an integer number (192521779373).

Almost surely, 2^{1320100331012} is an apocalyptic number.

It is an amenable number.

1320100331012 is a deficient number, since it is larger than the sum of its proper divisors (990161021464).

1320100331012 is a wasteful number, since it uses less digits than its factorization.

1320100331012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12253318 (or 12253316 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1320100331012 its reverse (2101330010231), we get a palindrome (3421430341243).

The spelling of 1320100331012 in words is "one trillion, three hundred twenty billion, one hundred million, three hundred thirty-one thousand, twelve".