122430304330021 has 2 divisors, whose sum is σ = 122430304330022. Its totient is φ = 122430304330020.

The previous prime is 122430304330013. The next prime is 122430304330051. The reversal of 122430304330021 is 120033403034221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114094207257121 + 8336097072900 = 10681489^2 + 2887230^2 .

It is a cyclic number.

It is not a de Polignac number, because 122430304330021 - 2³ = 122430304330013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122430304330051) 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, 61215152165010 + 61215152165011.

It is an arithmetic number, because the mean of its divisors is an integer number (61215152165011).

Almost surely, 2^{122430304330021} is an apocalyptic number.

It is an amenable number.

122430304330021 is a deficient number, since it is larger than the sum of its proper divisors (1).

122430304330021 is an equidigital number, since it uses as much as digits as its factorization.

122430304330021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 122430304330021 its reverse (120033403034221), we get a palindrome (242463707364242).

The spelling of 122430304330021 in words is "one hundred twenty-two trillion, four hundred thirty billion, three hundred four million, three hundred thirty thousand, twenty-one".