12222124324177 has 2 divisors, whose sum is σ = 12222124324178. Its totient is φ = 12222124324176.

The previous prime is 12222124324117. The next prime is 12222124324183. The reversal of 12222124324177 is 77142342122221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12221904128256 + 220195921 = 3495984^2 + 14839^2 .

It is an emirp because it is prime and its reverse (77142342122221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12222124324177 - 2¹⁵ = 12222124291409 is a prime.

It is not a weakly prime, because it can be changed into another prime (12222124324117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111062162088 + 6111062162089.

It is an arithmetic number, because the mean of its divisors is an integer number (6111062162089).

Almost surely, 2^{12222124324177} is an apocalyptic number.

It is an amenable number.

12222124324177 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222124324177 is an equidigital number, since it uses as much as digits as its factorization.

12222124324177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 40.

Adding to 12222124324177 its reverse (77142342122221), we get a palindrome (89364466446398).

The spelling of 12222124324177 in words is "twelve trillion, two hundred twenty-two billion, one hundred twenty-four million, three hundred twenty-four thousand, one hundred seventy-seven".