1320221030013 has 12 divisors (see below), whose sum is σ = 2019161575548. Its totient is φ = 828373979520.

The previous prime is 1320221029951. The next prime is 1320221030033. The reversal of 1320221030013 is 3100301220231.

1320221030013 is a `hidden beast` number, since 1 + 320 + 22 + 10 + 300 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 489603880089 + 830617149924 = 699717^2 + 911382^2 .

It is not a de Polignac number, because 1320221030013 - 2⁶ = 1320221029949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320221030033) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 4314447658 + ... + 4314447963.

It is an arithmetic number, because the mean of its divisors is an integer number (168263464629).

Almost surely, 2^{1320221030013} is an apocalyptic number.

It is an amenable number.

1320221030013 is a deficient number, since it is larger than the sum of its proper divisors (698940545535).

1320221030013 is a wasteful number, since it uses less digits than its factorization.

1320221030013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8628895644 (or 8628895641 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1320221030013 its reverse (3100301220231), we get a palindrome (4420522250244).

The spelling of 1320221030013 in words is "one trillion, three hundred twenty billion, two hundred twenty-one million, thirty thousand, thirteen".