12011001071 has 2 divisors, whose sum is σ = 12011001072. Its totient is φ = 12011001070.

The previous prime is 12011001047. The next prime is 12011001133. The reversal of 12011001071 is 17010011021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12011001071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011001271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005500535 + 6005500536.

It is an arithmetic number, because the mean of its divisors is an integer number (6005500536).

Almost surely, 2^12011001071 is an apocalyptic number.

12011001071 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011001071 is an equidigital number, since it uses as much as digits as its factorization.

12011001071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14, while the sum is 14.

Adding to 12011001071 its reverse (17010011021), we get a palindrome (29021012092).

The spelling of 12011001071 in words is "twelve billion, eleven million, one thousand, seventy-one".