12321001132231 has 16 divisors (see below), whose sum is σ = 13480363272960. Its totient is φ = 11168189809920.

The previous prime is 12321001132201. The next prime is 12321001132247. The reversal of 12321001132231 is 13223110012321.

12321001132231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12321001132231 - 2²⁹ = 12320464261319 is a prime.

It is a super-2 number, since 2×12321001132231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321001132201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45603166 + ... + 45872548.

It is an arithmetic number, because the mean of its divisors is an integer number (842522704560).

Almost surely, 2^{12321001132231} is an apocalyptic number.

12321001132231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12321001132231 is a deficient number, since it is larger than the sum of its proper divisors (1159362140729).

12321001132231 is a wasteful number, since it uses less digits than its factorization.

12321001132231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281526.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12321001132231 its reverse (13223110012321), we get a palindrome (25544111144552).

The spelling of 12321001132231 in words is "twelve trillion, three hundred twenty-one billion, one million, one hundred thirty-two thousand, two hundred thirty-one".