220012423079 has 2 divisors, whose sum is σ = 220012423080. Its totient is φ = 220012423078.

The previous prime is 220012423067. The next prime is 220012423151. The reversal of 220012423079 is 970324210022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220012423079 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220012423039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110006211539 + 110006211540.

It is an arithmetic number, because the mean of its divisors is an integer number (110006211540).

Almost surely, 2^220012423079 is an apocalyptic number.

220012423079 is a deficient number, since it is larger than the sum of its proper divisors (1).

220012423079 is an equidigital number, since it uses as much as digits as its factorization.

220012423079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 220012423079 in words is "two hundred twenty billion, twelve million, four hundred twenty-three thousand, seventy-nine".