12031330127 has 2 divisors, whose sum is σ = 12031330128. Its totient is φ = 12031330126.

The previous prime is 12031330123. The next prime is 12031330177. The reversal of 12031330127 is 72103313021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12031330127 - 2² = 12031330123 is a prime.

It is a super-2 number, since 2×12031330127² (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 (12031330123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015665063 + 6015665064.

It is an arithmetic number, because the mean of its divisors is an integer number (6015665064).

Almost surely, 2^12031330127 is an apocalyptic number.

12031330127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12031330127 is an equidigital number, since it uses as much as digits as its factorization.

12031330127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 23.

Adding to 12031330127 its reverse (72103313021), we get a palindrome (84134643148).

The spelling of 12031330127 in words is "twelve billion, thirty-one million, three hundred thirty thousand, one hundred twenty-seven".