12133211212231 has 2 divisors, whose sum is σ = 12133211212232. Its totient is φ = 12133211212230.

The previous prime is 12133211212207. The next prime is 12133211212237. The reversal of 12133211212231 is 13221211233121.

It is a strong prime.

It is an emirp because it is prime and its reverse (13221211233121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12133211212231 - 2³⁹ = 11583455398343 is a prime.

It is a super-2 number, since 2×12133211212231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12133211212196 and 12133211212205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12133211212237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066605606115 + 6066605606116.

It is an arithmetic number, because the mean of its divisors is an integer number (6066605606116).

Almost surely, 2^{12133211212231} is an apocalyptic number.

12133211212231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12133211212231 is an equidigital number, since it uses as much as digits as its factorization.

12133211212231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 25.

Adding to 12133211212231 its reverse (13221211233121), we get a palindrome (25354422445352).

The spelling of 12133211212231 in words is "twelve trillion, one hundred thirty-three billion, two hundred eleven million, two hundred twelve thousand, two hundred thirty-one".