12031331133121 has 8 divisors (see below), whose sum is σ = 12603751516800. Its totient is φ = 11469413875920.

The previous prime is 12031331133103. The next prime is 12031331133181. The reversal of 12031331133121 is 12133113313021.

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 12031331133121 - 2⁵ = 12031331133089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12031331133181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2625779275 + ... + 2625783856.

It is an arithmetic number, because the mean of its divisors is an integer number (1575468939600).

Almost surely, 2^{12031331133121} is an apocalyptic number.

It is an amenable number.

12031331133121 is a deficient number, since it is larger than the sum of its proper divisors (572420383679).

12031331133121 is an equidigital number, since it uses as much as digits as its factorization.

12031331133121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5251563239.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 12031331133121 its reverse (12133113313021), we get a palindrome (24164444446142).

The spelling of 12031331133121 in words is "twelve trillion, thirty-one billion, three hundred thirty-one million, one hundred thirty-three thousand, one hundred twenty-one".