12331231011121 has 8 divisors (see below), whose sum is σ = 13452277453344. Its totient is φ = 11210188809120.

The previous prime is 12331231011109. The next prime is 12331231011179. The reversal of 12331231011121 is 12111013213321.

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

It is a cyclic number.

It is not a de Polignac number, because 12331231011121 - 2¹¹ = 12331231009073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12331231011092 and 12331231011101.

It is not an unprimeable number, because it can be changed into a prime (12331231011521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10534630 + ... + 11646496.

It is an arithmetic number, because the mean of its divisors is an integer number (1681534681668).

Almost surely, 2^{12331231011121} is an apocalyptic number.

12331231011121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12331231011121 is a deficient number, since it is larger than the sum of its proper divisors (1121046442223).

12331231011121 is a wasteful number, since it uses less digits than its factorization.

12331231011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120111.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 12331231011121 its reverse (12111013213321), we get a palindrome (24442244224442).

The spelling of 12331231011121 in words is "twelve trillion, three hundred thirty-one billion, two hundred thirty-one million, eleven thousand, one hundred twenty-one".