1301321031112 has 8 divisors (see below), whose sum is σ = 2439976933350. Its totient is φ = 650660515552.

The previous prime is 1301321031097. The next prime is 1301321031121. The reversal of 1301321031112 is 2111301231031.

It can be written as a sum of positive squares in only one way, i.e., 727687478116 + 573633552996 = 853046^2 + 757386^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1301321031112.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 81332564437 + ... + 81332564452.

Almost surely, 2^{1301321031112} is an apocalyptic number.

It is an amenable number.

1301321031112 is a deficient number, since it is larger than the sum of its proper divisors (1138655902238).

1301321031112 is a wasteful number, since it uses less digits than its factorization.

1301321031112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162665128895 (or 162665128891 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1301321031112 its reverse (2111301231031), we get a palindrome (3412622262143).

The spelling of 1301321031112 in words is "one trillion, three hundred one billion, three hundred twenty-one million, thirty-one thousand, one hundred twelve".