1200323321013 has 8 divisors (see below), whose sum is σ = 1607071888576. Its totient is φ = 796895150400.

The previous prime is 1200323320927. The next prime is 1200323321023. The reversal of 1200323321013 is 3101233230021.

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

It is not a de Polignac number, because 1200323321013 - 2¹⁷ = 1200323189941 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 (1200323321023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 830098393 + ... + 830099838.

It is an arithmetic number, because the mean of its divisors is an integer number (200883986072).

Almost surely, 2^{1200323321013} is an apocalyptic number.

It is an amenable number.

1200323321013 is a deficient number, since it is larger than the sum of its proper divisors (406748567563).

1200323321013 is a wasteful number, since it uses less digits than its factorization.

1200323321013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660198475.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1200323321013 its reverse (3101233230021), we get a palindrome (4301556551034).

The spelling of 1200323321013 in words is "one trillion, two hundred billion, three hundred twenty-three million, three hundred twenty-one thousand, thirteen".