12201722607479 has 2 divisors, whose sum is σ = 12201722607480. Its totient is φ = 12201722607478.

The previous prime is 12201722607463. The next prime is 12201722607497. The reversal of 12201722607479 is 97470622710221.

Together with next prime (12201722607497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12201722607479 - 2⁴ = 12201722607463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12201722607979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100861303739 + 6100861303740.

It is an arithmetic number, because the mean of its divisors is an integer number (6100861303740).

Almost surely, 2^{12201722607479} is an apocalyptic number.

12201722607479 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201722607479 is an equidigital number, since it uses as much as digits as its factorization.

12201722607479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1185408, while the sum is 50.

The spelling of 12201722607479 in words is "twelve trillion, two hundred one billion, seven hundred twenty-two million, six hundred seven thousand, four hundred seventy-nine".