1320322121213 has 8 divisors (see below), whose sum is σ = 1333164338688. Its totient is φ = 1307480356944.

The previous prime is 1320322121201. The next prime is 1320322121231. The reversal of 1320322121213 is 3121212230231.

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

It is not a de Polignac number, because 1320322121213 - 2¹⁰ = 1320322120189 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 (1320322121263) 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, 11336231 + ... + 11452107.

It is an arithmetic number, because the mean of its divisors is an integer number (166645542336).

Almost surely, 2^{1320322121213} is an apocalyptic number.

It is an amenable number.

1320322121213 is a deficient number, since it is larger than the sum of its proper divisors (12842217475).

1320322121213 is a wasteful number, since it uses less digits than its factorization.

1320322121213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226603.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1320322121213 its reverse (3121212230231), we get a palindrome (4441534351444).

The spelling of 1320322121213 in words is "one trillion, three hundred twenty billion, three hundred twenty-two million, one hundred twenty-one thousand, two hundred thirteen".