12161333 has 2 divisors, whose sum is σ = 12161334. Its totient is φ = 12161332.

The previous prime is 12161329. The next prime is 12161351. The reversal of 12161333 is 33316121.

It is a happy number.

12161333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9872164 + 2289169 = 3142^2 + 1513^2 .

It is a cyclic number.

It is not a de Polignac number, because 12161333 - 2² = 12161329 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12161533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6080666 + 6080667.

It is an arithmetic number, because the mean of its divisors is an integer number (6080667).

Almost surely, 2^12161333 is an apocalyptic number.

It is an amenable number.

12161333 is a deficient number, since it is larger than the sum of its proper divisors (1).

12161333 is an equidigital number, since it uses as much as digits as its factorization.

12161333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324, while the sum is 20.

The square root of 12161333 is about 3487.3102815781. The cubic root of 12161333 is about 229.9642855699.

Adding to 12161333 its reverse (33316121), we get a palindrome (45477454).

The spelling of 12161333 in words is "twelve million, one hundred sixty-one thousand, three hundred thirty-three".