1001012002127 has 2 divisors, whose sum is σ = 1001012002128. Its totient is φ = 1001012002126.

The previous prime is 1001012002097. The next prime is 1001012002129. The reversal of 1001012002127 is 7212002101001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001012002127 - 2¹² = 1001011998031 is a prime.

Together with 1001012002129, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001012002129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500506001063 + 500506001064.

It is an arithmetic number, because the mean of its divisors is an integer number (500506001064).

Almost surely, 2^{1001012002127} is an apocalyptic number.

1001012002127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001012002127 is an equidigital number, since it uses as much as digits as its factorization.

1001012002127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 1001012002127 its reverse (7212002101001), we get a palindrome (8213014103128).

The spelling of 1001012002127 in words is "one trillion, one billion, twelve million, two thousand, one hundred twenty-seven".