12133021 has 2 divisors, whose sum is σ = 12133022. Its totient is φ = 12133020.

The previous prime is 12133013. The next prime is 12133027. The reversal of 12133021 is 12033121.

12133021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10310521 + 1822500 = 3211^2 + 1350^2 .

It is a cyclic number.

It is not a de Polignac number, because 12133021 - 2³ = 12133013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12132992 and 12133010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12133027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066510 + 6066511.

It is an arithmetic number, because the mean of its divisors is an integer number (6066511).

Almost surely, 2^12133021 is an apocalyptic number.

It is an amenable number.

12133021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12133021 is an equidigital number, since it uses as much as digits as its factorization.

12133021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 12133021 is about 3483.2486273592. The cubic root of 12133021 is about 229.7856919948.

Adding to 12133021 its reverse (12033121), we get a palindrome (24166142).

The spelling of 12133021 in words is "twelve million, one hundred thirty-three thousand, twenty-one".