30212668533409 has 2 divisors, whose sum is σ = 30212668533410. Its totient is φ = 30212668533408.

The previous prime is 30212668533401. The next prime is 30212668533419. The reversal of 30212668533409 is 90433586621203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30068739349009 + 143929184400 = 5483497^2 + 379380^2 .

It is a cyclic number.

It is not a de Polignac number, because 30212668533409 - 2³ = 30212668533401 is a prime.

It is a super-2 number, since 2×30212668533409² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30212668533401) 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, 15106334266704 + 15106334266705.

It is an arithmetic number, because the mean of its divisors is an integer number (15106334266705).

Almost surely, 2^{30212668533409} is an apocalyptic number.

It is an amenable number.

30212668533409 is a deficient number, since it is larger than the sum of its proper divisors (1).

30212668533409 is an equidigital number, since it uses as much as digits as its factorization.

30212668533409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5598720, while the sum is 52.

The spelling of 30212668533409 in words is "thirty trillion, two hundred twelve billion, six hundred sixty-eight million, five hundred thirty-three thousand, four hundred nine".