1200301001321 has 8 divisors (see below), whose sum is σ = 1207337513160. Its totient is φ = 1193265620352.

The previous prime is 1200301001299. The next prime is 1200301001327. The reversal of 1200301001321 is 1231001030021.

It can be written as a sum of positive squares in 4 ways, for example, as 815201323225 + 385099678096 = 902885^2 + 620564^2 .

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 1200301001321 - 2³⁰ = 1199227259497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200301001296 and 1200301001305.

It is not an unprimeable number, because it can be changed into a prime (1200301001327) 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, 1895315 + ... + 2448023.

It is an arithmetic number, because the mean of its divisors is an integer number (150917189145).

Almost surely, 2^{1200301001321} is an apocalyptic number.

It is an amenable number.

1200301001321 is a deficient number, since it is larger than the sum of its proper divisors (7036511839).

1200301001321 is a wasteful number, since it uses less digits than its factorization.

1200301001321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565435.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1200301001321 its reverse (1231001030021), we get a palindrome (2431302031342).

The spelling of 1200301001321 in words is "one trillion, two hundred billion, three hundred one million, one thousand, three hundred twenty-one".