12009012767 has 2 divisors, whose sum is σ = 12009012768. Its totient is φ = 12009012766.

The previous prime is 12009012731. The next prime is 12009012773. The reversal of 12009012767 is 76721090021.

It is a strong prime.

It is an emirp because it is prime and its reverse (76721090021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12009012767 - 2²⁴ = 11992235551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12009012727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6004506383 + 6004506384.

It is an arithmetic number, because the mean of its divisors is an integer number (6004506384).

Almost surely, 2^12009012767 is an apocalyptic number.

12009012767 is a deficient number, since it is larger than the sum of its proper divisors (1).

12009012767 is an equidigital number, since it uses as much as digits as its factorization.

12009012767 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 35.

The spelling of 12009012767 in words is "twelve billion, nine million, twelve thousand, seven hundred sixty-seven".