424212122897 has 2 divisors, whose sum is σ = 424212122898. Its totient is φ = 424212122896.

The previous prime is 424212122869. The next prime is 424212123019. The reversal of 424212122897 is 798221212424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232679852161 + 191532270736 = 482369^2 + 437644^2 .

It is a cyclic number.

It is not a de Polignac number, because 424212122897 - 2¹² = 424212118801 is a prime.

It is not a weakly prime, because it can be changed into another prime (424212122197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212106061448 + 212106061449.

It is an arithmetic number, because the mean of its divisors is an integer number (212106061449).

Almost surely, 2^424212122897 is an apocalyptic number.

It is an amenable number.

424212122897 is a deficient number, since it is larger than the sum of its proper divisors (1).

424212122897 is an equidigital number, since it uses as much as digits as its factorization.

424212122897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 44.

The spelling of 424212122897 in words is "four hundred twenty-four billion, two hundred twelve million, one hundred twenty-two thousand, eight hundred ninety-seven".