30132122000221 has 12 divisors (see below), whose sum is σ = 31135942287900. Its totient is φ = 29159685952320.

The previous prime is 30132122000207. The next prime is 30132122000297. The reversal of 30132122000221 is 12200022123103.

It can be written as a sum of positive squares in 2 ways, for example, as 17308811668996 + 12823310331225 = 4160386^2 + 3580965^2 .

It is not a de Polignac number, because 30132122000221 - 2¹⁷ = 30132121869149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30132122000021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78542415 + ... + 78925123.

It is an arithmetic number, because the mean of its divisors is an integer number (2594661857325).

Almost surely, 2^{30132122000221} is an apocalyptic number.

30132122000221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30132122000221 is a deficient number, since it is larger than the sum of its proper divisors (1003820287679).

30132122000221 is an equidigital number, since it uses as much as digits as its factorization.

30132122000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464700 (or 464669 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 30132122000221 its reverse (12200022123103), we get a palindrome (42332144123324).

The spelling of 30132122000221 in words is "thirty trillion, one hundred thirty-two billion, one hundred twenty-two million, two hundred twenty-one", and thus it is an aban number.