12031032221303 has 4 divisors (see below), whose sum is σ = 12031039158960. Its totient is φ = 12031025283648.

The previous prime is 12031032221269. The next prime is 12031032221317. The reversal of 12031032221303 is 30312223013021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12031032221303 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 (12031032221353) 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, 1671926 + ... + 5182412.

It is an arithmetic number, because the mean of its divisors is an integer number (3007759789740).

Almost surely, 2^{12031032221303} is an apocalyptic number.

12031032221303 is a deficient number, since it is larger than the sum of its proper divisors (6937657).

12031032221303 is an equidigital number, since it uses as much as digits as its factorization.

12031032221303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6937656.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12031032221303 its reverse (30312223013021), we get a palindrome (42343255234324).

The spelling of 12031032221303 in words is "twelve trillion, thirty-one billion, thirty-two million, two hundred twenty-one thousand, three hundred three".