1242224230109 has 2 divisors, whose sum is σ = 1242224230110. Its totient is φ = 1242224230108.

The previous prime is 1242224230031. The next prime is 1242224230133. The reversal of 1242224230109 is 9010324222421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1005617868025 + 236606362084 = 1002805^2 + 486422^2 .

It is a cyclic number.

It is not a de Polignac number, because 1242224230109 - 2¹² = 1242224226013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1242224230309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621112115054 + 621112115055.

It is an arithmetic number, because the mean of its divisors is an integer number (621112115055).

Almost surely, 2^{1242224230109} is an apocalyptic number.

It is an amenable number.

1242224230109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242224230109 is an equidigital number, since it uses as much as digits as its factorization.

1242224230109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 1242224230109 in words is "one trillion, two hundred forty-two billion, two hundred twenty-four million, two hundred thirty thousand, one hundred nine".