12001023127 has 2 divisors, whose sum is σ = 12001023128. Its totient is φ = 12001023126.

The previous prime is 12001023119. The next prime is 12001023239. The reversal of 12001023127 is 72132010021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12001023127 - 2³ = 12001023119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12001020127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000511563 + 6000511564.

It is an arithmetic number, because the mean of its divisors is an integer number (6000511564).

Almost surely, 2^12001023127 is an apocalyptic number.

12001023127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001023127 is an equidigital number, since it uses as much as digits as its factorization.

12001023127 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 12001023127 its reverse (72132010021), we get a palindrome (84133033148).

The spelling of 12001023127 in words is "twelve billion, one million, twenty-three thousand, one hundred twenty-seven".