12133333361 has 2 divisors, whose sum is σ = 12133333362. Its totient is φ = 12133333360.

The previous prime is 12133333343. The next prime is 12133333369. The reversal of 12133333361 is 16333333121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11080720225 + 1052613136 = 105265^2 + 32444^2 .

It is a cyclic number.

It is not a de Polignac number, because 12133333361 - 2²⁶ = 12066224497 is a prime.

It is not a weakly prime, because it can be changed into another prime (12133333369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066666680 + 6066666681.

It is an arithmetic number, because the mean of its divisors is an integer number (6066666681).

Almost surely, 2^12133333361 is an apocalyptic number.

It is an amenable number.

12133333361 is a deficient number, since it is larger than the sum of its proper divisors (1).

12133333361 is an equidigital number, since it uses as much as digits as its factorization.

12133333361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748, while the sum is 29.

Adding to 12133333361 its reverse (16333333121), we get a palindrome (28466666482).

The spelling of 12133333361 in words is "twelve billion, one hundred thirty-three million, three hundred thirty-three thousand, three hundred sixty-one".