12213212031133 has 2 divisors, whose sum is σ = 12213212031134. Its totient is φ = 12213212031132.

The previous prime is 12213212031071. The next prime is 12213212031143. The reversal of 12213212031133 is 33113021231221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11987812124964 + 225399906169 = 3462342^2 + 474763^2 .

It is a cyclic number.

It is not a de Polignac number, because 12213212031133 - 2²⁵ = 12213178476701 is a prime.

It is a super-2 number, since 2×12213212031133² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12213212031098 and 12213212031107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12213212031143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106606015566 + 6106606015567.

It is an arithmetic number, because the mean of its divisors is an integer number (6106606015567).

Almost surely, 2^{12213212031133} is an apocalyptic number.

It is an amenable number.

12213212031133 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213212031133 is an equidigital number, since it uses as much as digits as its factorization.

12213212031133 is an odious number, because the sum of its binary digits is odd.

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

Adding to 12213212031133 its reverse (33113021231221), we get a palindrome (45326233262354).

The spelling of 12213212031133 in words is "twelve trillion, two hundred thirteen billion, two hundred twelve million, thirty-one thousand, one hundred thirty-three".