12203331323231 has 4 divisors (see below), whose sum is σ = 12375209229264. Its totient is φ = 12031453417200.

The previous prime is 12203331323203. The next prime is 12203331323243. The reversal of 12203331323231 is 13232313330221.

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

It is a cyclic number.

It is not a de Polignac number, because 12203331323231 - 2¹⁴ = 12203331306847 is a prime.

It is a super-2 number, since 2×12203331323231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12203331323194 and 12203331323203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203331323201) 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, 85938952910 + ... + 85938953051.

It is an arithmetic number, because the mean of its divisors is an integer number (3093802307316).

Almost surely, 2^{12203331323231} is an apocalyptic number.

12203331323231 is a deficient number, since it is larger than the sum of its proper divisors (171877906033).

12203331323231 is an equidigital number, since it uses as much as digits as its factorization.

12203331323231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171877906032.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 12203331323231 its reverse (13232313330221), we get a palindrome (25435644653452).

The spelling of 12203331323231 in words is "twelve trillion, two hundred three billion, three hundred thirty-one million, three hundred twenty-three thousand, two hundred thirty-one".