1320033111205 has 16 divisors (see below), whose sum is σ = 1639193863680. Its totient is φ = 1019280716608.

The previous prime is 1320033111193. The next prime is 1320033111259. The reversal of 1320033111205 is 5021113300231.

It is a cyclic number.

It is not a de Polignac number, because 1320033111205 - 2⁷ = 1320033111077 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 1029397 + ... + 1923466.

It is an arithmetic number, because the mean of its divisors is an integer number (102449616480).

Almost surely, 2^{1320033111205} is an apocalyptic number.

It is an amenable number.

1320033111205 is a deficient number, since it is larger than the sum of its proper divisors (319160752475).

1320033111205 is a wasteful number, since it uses less digits than its factorization.

1320033111205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2955980.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 1320033111205 its reverse (5021113300231), we get a palindrome (6341146411436).

The spelling of 1320033111205 in words is "one trillion, three hundred twenty billion, thirty-three million, one hundred eleven thousand, two hundred five".