120321321303 has 8 divisors (see below), whose sum is σ = 160431100528. Its totient is φ = 80212878144.

The previous prime is 120321321251. The next prime is 120321321313. The reversal of 120321321303 is 303123123021.

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

It is not a de Polignac number, because 120321321303 - 2²² = 120317126999 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 120321321303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120321321313) 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, 100576 + ... + 500757.

It is an arithmetic number, because the mean of its divisors is an integer number (20053887566).

Almost surely, 2^120321321303 is an apocalyptic number.

120321321303 is a deficient number, since it is larger than the sum of its proper divisors (40109779225).

120321321303 is an equidigital number, since it uses as much as digits as its factorization.

120321321303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668033.

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

Adding to 120321321303 its reverse (303123123021), we get a palindrome (423444444324).

The spelling of 120321321303 in words is "one hundred twenty billion, three hundred twenty-one million, three hundred twenty-one thousand, three hundred three".