1321223013001 has 8 divisors (see below), whose sum is σ = 1339854321024. Its totient is φ = 1302592331040.

The previous prime is 1321223012999. The next prime is 1321223013007. The reversal of 1321223013001 is 1003103221231.

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 1321223013001 - 2¹ = 1321223012999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1321223013001.

It is not an unprimeable number, because it can be changed into a prime (1321223013007) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5550436 + ... + 5783578.

It is an arithmetic number, because the mean of its divisors is an integer number (167481790128).

Almost surely, 2^{1321223013001} is an apocalyptic number.

It is an amenable number.

1321223013001 is a deficient number, since it is larger than the sum of its proper divisors (18631308023).

1321223013001 is an equidigital number, since it uses as much as digits as its factorization.

1321223013001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313031.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1321223013001 its reverse (1003103221231), we get a palindrome (2324326234232).

The spelling of 1321223013001 in words is "one trillion, three hundred twenty-one billion, two hundred twenty-three million, thirteen thousand, one".