1224203014121 has 2 divisors, whose sum is σ = 1224203014122. Its totient is φ = 1224203014120.

The previous prime is 1224203014061. The next prime is 1224203014123. The reversal of 1224203014121 is 1214103024221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1212060076096 + 12142938025 = 1100936^2 + 110195^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224203014121 - 2²² = 1224198819817 is a prime.

Together with 1224203014123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1224203014123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612101507060 + 612101507061.

It is an arithmetic number, because the mean of its divisors is an integer number (612101507061).

Almost surely, 2^{1224203014121} is an apocalyptic number.

It is an amenable number.

1224203014121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224203014121 is an equidigital number, since it uses as much as digits as its factorization.

1224203014121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1224203014121 its reverse (1214103024221), we get a palindrome (2438306038342).

The spelling of 1224203014121 in words is "one trillion, two hundred twenty-four billion, two hundred three million, fourteen thousand, one hundred twenty-one".