12031321212133 has 16 divisors (see below), whose sum is σ = 12207740014080. Its totient is φ = 11856180638016.

The previous prime is 12031321212103. The next prime is 12031321212227. The reversal of 12031321212133 is 33121212313021.

It is a cyclic number.

It is not a de Polignac number, because 12031321212133 - 2²¹ = 12031319114981 is a prime.

It is a super-3 number, since 3×12031321212133³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12031321212098 and 12031321212107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031321212103) 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, 27150060 + ... + 27589642.

It is an arithmetic number, because the mean of its divisors is an integer number (762983750880).

Almost surely, 2^{12031321212133} is an apocalyptic number.

It is an amenable number.

12031321212133 is a deficient number, since it is larger than the sum of its proper divisors (176418801947).

12031321212133 is a wasteful number, since it uses less digits than its factorization.

12031321212133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441036.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12031321212133 its reverse (33121212313021), we get a palindrome (45152533525154).

The spelling of 12031321212133 in words is "twelve trillion, thirty-one billion, three hundred twenty-one million, two hundred twelve thousand, one hundred thirty-three".