12320323211231 has 64 divisors (see below), whose sum is σ = 15147687398400. Its totient is φ = 9786801024000.

The previous prime is 12320323211213. The next prime is 12320323211249. The reversal of 12320323211231 is 13211232302321.

It is an interprime number because it is at equal distance from previous prime (12320323211213) and next prime (12320323211249).

It is not a de Polignac number, because 12320323211231 - 2³⁰ = 12319249469407 is a prime.

It is a super-2 number, since 2×12320323211231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12320323211231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320323211431) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2059907261 + ... + 2059913241.

It is an arithmetic number, because the mean of its divisors is an integer number (236682615600).

Almost surely, 2^{12320323211231} is an apocalyptic number.

12320323211231 is a deficient number, since it is larger than the sum of its proper divisors (2827364187169).

12320323211231 is a wasteful number, since it uses less digits than its factorization.

12320323211231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7920.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12320323211231 its reverse (13211232302321), we get a palindrome (25531555513552).

The spelling of 12320323211231 in words is "twelve trillion, three hundred twenty billion, three hundred twenty-three million, two hundred eleven thousand, two hundred thirty-one".