1320203113213 has 8 divisors (see below), whose sum is σ = 1326712275200. Its totient is φ = 1313700421968.

The previous prime is 1320203113199. The next prime is 1320203113241. The reversal of 1320203113213 is 3123113020231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1320203113213 - 2¹³ = 1320203105021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320203113813) 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 7 ways as a sum of consecutive naturals, for example, 1208373 + ... + 2024986.

It is an arithmetic number, because the mean of its divisors is an integer number (165839034400).

Almost surely, 2^{1320203113213} is an apocalyptic number.

It is an amenable number.

1320203113213 is a deficient number, since it is larger than the sum of its proper divisors (6509161987).

1320203113213 is a wasteful number, since it uses less digits than its factorization.

1320203113213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235371.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1320203113213 its reverse (3123113020231), we get a palindrome (4443316133444).

The spelling of 1320203113213 in words is "one trillion, three hundred twenty billion, two hundred three million, one hundred thirteen thousand, two hundred thirteen".