12120321002303 has 32 divisors (see below), whose sum is σ = 13667733780480. Its totient is φ = 10687602562560.

The previous prime is 12120321002299. The next prime is 12120321002327. The reversal of 12120321002303 is 30320012302121.

It is not a de Polignac number, because 12120321002303 - 2² = 12120321002299 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 (12120321002203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4637276 + ... + 6763502.

It is an arithmetic number, because the mean of its divisors is an integer number (427116680640).

Almost surely, 2^{12120321002303} is an apocalyptic number.

12120321002303 is a deficient number, since it is larger than the sum of its proper divisors (1547412778177).

12120321002303 is a wasteful number, since it uses less digits than its factorization.

12120321002303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126567.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12120321002303 its reverse (30320012302121), we get a palindrome (42440333304424).

The spelling of 12120321002303 in words is "twelve trillion, one hundred twenty billion, three hundred twenty-one million, two thousand, three hundred three".