12320121303 has 80 divisors (see below), whose sum is σ = 22593120000. Its totient is φ = 6669253584.

The previous prime is 12320121271. The next prime is 12320121329. The reversal of 12320121303 is 30312102321.

It is not a de Polignac number, because 12320121303 - 2⁵ = 12320121271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320121503) 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 79 ways as a sum of consecutive naturals, for example, 516208 + ... + 539546.

It is an arithmetic number, because the mean of its divisors is an integer number (282414000).

Almost surely, 2^12320121303 is an apocalyptic number.

12320121303 is a deficient number, since it is larger than the sum of its proper divisors (10272998697).

12320121303 is an equidigital number, since it uses as much as digits as its factorization.

12320121303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23391 (or 23368 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12320121303 its reverse (30312102321), we get a palindrome (42632223624).

The spelling of 12320121303 in words is "twelve billion, three hundred twenty million, one hundred twenty-one thousand, three hundred three".