12031021211303 has 8 divisors (see below), whose sum is σ = 12263289057600. Its totient is φ = 11799883622880.

The previous prime is 12031021211233. The next prime is 12031021211327. The reversal of 12031021211303 is 30311212013021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12031021211303 - 2¹⁸ = 12031020949159 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 (12031021211353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282542975 + ... + 282585552.

It is an arithmetic number, because the mean of its divisors is an integer number (1532911132200).

Almost surely, 2^{12031021211303} is an apocalyptic number.

12031021211303 is a deficient number, since it is larger than the sum of its proper divisors (232267846297).

12031021211303 is an equidigital number, since it uses as much as digits as its factorization.

12031021211303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565128937.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12031021211303 its reverse (30311212013021), we get a palindrome (42342233224324).

The spelling of 12031021211303 in words is "twelve trillion, thirty-one billion, twenty-one million, two hundred eleven thousand, three hundred three".