12031231022203 has 4 divisors (see below), whose sum is σ = 12093569006968. Its totient is φ = 11968893037440.

The previous prime is 12031231022159. The next prime is 12031231022233. The reversal of 12031231022203 is 30222013213021.

12031231022203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12031231022203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12031231022233) 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, 31168992093 + ... + 31168992478.

It is an arithmetic number, because the mean of its divisors is an integer number (3023392251742).

Almost surely, 2^{12031231022203} is an apocalyptic number.

12031231022203 is a deficient number, since it is larger than the sum of its proper divisors (62337984765).

12031231022203 is an equidigital number, since it uses as much as digits as its factorization.

12031231022203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62337984764.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12031231022203 its reverse (30222013213021), we get a palindrome (42253244235224).

The spelling of 12031231022203 in words is "twelve trillion, thirty-one billion, two hundred thirty-one million, twenty-two thousand, two hundred three".