1313313221012 has 36 divisors (see below), whose sum is σ = 2488917412800. Its totient is φ = 606089102112.

The previous prime is 1313313221009. The next prime is 1313313221039. The reversal of 1313313221012 is 2101223133131.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 7825493 + ... + 7991555.

It is an arithmetic number, because the mean of its divisors is an integer number (69136594800).

Almost surely, 2^{1313313221012} is an apocalyptic number.

It is an amenable number.

1313313221012 is a deficient number, since it is larger than the sum of its proper divisors (1175604191788).

1313313221012 is a wasteful number, since it uses less digits than its factorization.

1313313221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177792 (or 177777 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1313313221012 its reverse (2101223133131), we get a palindrome (3414536354143).

The spelling of 1313313221012 in words is "one trillion, three hundred thirteen billion, three hundred thirteen million, two hundred twenty-one thousand, twelve".