12120031302303 has 4 divisors (see below), whose sum is σ = 16160041736408. Its totient is φ = 8080020868200.

The previous prime is 12120031302293. The next prime is 12120031302331. The reversal of 12120031302303 is 30320313002121.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12120031302303 - 2¹⁶ = 12120031236767 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 12120031302303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120031302383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2020005217048 + ... + 2020005217053.

It is an arithmetic number, because the mean of its divisors is an integer number (4040010434102).

Almost surely, 2^{12120031302303} is an apocalyptic number.

12120031302303 is a deficient number, since it is larger than the sum of its proper divisors (4040010434105).

12120031302303 is an equidigital number, since it uses as much as digits as its factorization.

12120031302303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040010434104.

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

Adding to 12120031302303 its reverse (30320313002121), we get a palindrome (42440344304424).

The spelling of 12120031302303 in words is "twelve trillion, one hundred twenty billion, thirty-one million, three hundred two thousand, three hundred three".