12031203271 has 2 divisors, whose sum is σ = 12031203272. Its totient is φ = 12031203270.

The previous prime is 12031203203. The next prime is 12031203329. The reversal of 12031203271 is 17230213021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12031203271 - 2¹³ = 12031195079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12031201271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015601635 + 6015601636.

It is an arithmetic number, because the mean of its divisors is an integer number (6015601636).

Almost surely, 2^12031203271 is an apocalyptic number.

12031203271 is a deficient number, since it is larger than the sum of its proper divisors (1).

12031203271 is an equidigital number, since it uses as much as digits as its factorization.

12031203271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 12031203271 its reverse (17230213021), we get a palindrome (29261416292).

The spelling of 12031203271 in words is "twelve billion, thirty-one million, two hundred three thousand, two hundred seventy-one".