12030021127 has 2 divisors, whose sum is σ = 12030021128. Its totient is φ = 12030021126.

The previous prime is 12030021089. The next prime is 12030021137. The reversal of 12030021127 is 72112003021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12030021127 - 2¹⁹ = 12029496839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12030021137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015010563 + 6015010564.

It is an arithmetic number, because the mean of its divisors is an integer number (6015010564).

Almost surely, 2^12030021127 is an apocalyptic number.

12030021127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12030021127 is an equidigital number, since it uses as much as digits as its factorization.

12030021127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 12030021127 its reverse (72112003021), we get a palindrome (84142024148).

The spelling of 12030021127 in words is "twelve billion, thirty million, twenty-one thousand, one hundred twenty-seven".