12122040079 has 2 divisors, whose sum is σ = 12122040080. Its totient is φ = 12122040078.

The previous prime is 12122040053. The next prime is 12122040137. The reversal of 12122040079 is 97004022121.

It is a weak prime.

It is an emirp because it is prime and its reverse (97004022121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12122040079 - 2²³ = 12113651471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12122040979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061020039 + 6061020040.

It is an arithmetic number, because the mean of its divisors is an integer number (6061020040).

Almost surely, 2^12122040079 is an apocalyptic number.

12122040079 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122040079 is an equidigital number, since it uses as much as digits as its factorization.

12122040079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The spelling of 12122040079 in words is "twelve billion, one hundred twenty-two million, forty thousand, seventy-nine".