12842742071 has 2 divisors, whose sum is σ = 12842742072. Its totient is φ = 12842742070.

The previous prime is 12842742043. The next prime is 12842742079. The reversal of 12842742071 is 17024724821.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12842742071 - 2¹⁸ = 12842479927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12842742079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6421371035 + 6421371036.

It is an arithmetic number, because the mean of its divisors is an integer number (6421371036).

Almost surely, 2^12842742071 is an apocalyptic number.

12842742071 is a deficient number, since it is larger than the sum of its proper divisors (1).

12842742071 is an equidigital number, since it uses as much as digits as its factorization.

12842742071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50176, while the sum is 38.

The spelling of 12842742071 in words is "twelve billion, eight hundred forty-two million, seven hundred forty-two thousand, seventy-one".