212430200104321 has 2 divisors, whose sum is σ = 212430200104322. Its totient is φ = 212430200104320.

The previous prime is 212430200104219. The next prime is 212430200104327. The reversal of 212430200104321 is 123401002034212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178001892810225 + 34428307294096 = 13341735^2 + 5867564^2 .

It is a cyclic number.

It is not a de Polignac number, because 212430200104321 - 2⁷ = 212430200104193 is a prime.

It is not a weakly prime, because it can be changed into another prime (212430200104327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106215100052160 + 106215100052161.

It is an arithmetic number, because the mean of its divisors is an integer number (106215100052161).

Almost surely, 2^{212430200104321} is an apocalyptic number.

It is an amenable number.

212430200104321 is a deficient number, since it is larger than the sum of its proper divisors (1).

212430200104321 is an equidigital number, since it uses as much as digits as its factorization.

212430200104321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 212430200104321 its reverse (123401002034212), we get a palindrome (335831202138533).

The spelling of 212430200104321 in words is "two hundred twelve trillion, four hundred thirty billion, two hundred million, one hundred four thousand, three hundred twenty-one".