12033321271 has 2 divisors, whose sum is σ = 12033321272. Its totient is φ = 12033321270.

The previous prime is 12033321239. The next prime is 12033321353. The reversal of 12033321271 is 17212333021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12033321271 - 2⁵ = 12033321239 is a prime.

It is a super-2 number, since 2×12033321271² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12033321211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6016660635 + 6016660636.

It is an arithmetic number, because the mean of its divisors is an integer number (6016660636).

Almost surely, 2^12033321271 is an apocalyptic number.

12033321271 is a deficient number, since it is larger than the sum of its proper divisors (1).

12033321271 is an equidigital number, since it uses as much as digits as its factorization.

12033321271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

Adding to 12033321271 its reverse (17212333021), we get a palindrome (29245654292).

The spelling of 12033321271 in words is "twelve billion, thirty-three million, three hundred twenty-one thousand, two hundred seventy-one".