12023121123231 has 8 divisors (see below), whose sum is σ = 16097346124464. Its totient is φ = 7982155102080.

The previous prime is 12023121123199. The next prime is 12023121123329. The reversal of 12023121123231 is 13232112132021.

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

It is not a de Polignac number, because 12023121123231 - 2⁵ = 12023121123199 is a prime.

It is a super-2 number, since 2×12023121123231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023121123331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8314744176 + ... + 8314745621.

It is an arithmetic number, because the mean of its divisors is an integer number (2012168265558).

Almost surely, 2^{12023121123231} is an apocalyptic number.

12023121123231 is a deficient number, since it is larger than the sum of its proper divisors (4074225001233).

12023121123231 is a wasteful number, since it uses less digits than its factorization.

12023121123231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16629490041.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12023121123231 its reverse (13232112132021), we get a palindrome (25255233255252).

The spelling of 12023121123231 in words is "twelve trillion, twenty-three billion, one hundred twenty-one million, one hundred twenty-three thousand, two hundred thirty-one".