30221021332132 has 12 divisors (see below), whose sum is σ = 52890310169116. Its totient is φ = 15109504140960.

The previous prime is 30221021332093. The next prime is 30221021332133. The reversal of 30221021332132 is 23123312012203.

It can be written as a sum of positive squares in 2 ways, for example, as 11550101319936 + 18670920012196 = 3398544^2 + 4320986^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30221021332097 and 30221021332106.

It is not an unprimeable number, because it can be changed into a prime (30221021332133) 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 in 3 ways as a sum of consecutive naturals, for example, 251563719 + ... + 251683822.

Almost surely, 2^{30221021332132} is an apocalyptic number.

It is an amenable number.

30221021332132 is a deficient number, since it is larger than the sum of its proper divisors (22669288836984).

30221021332132 is a wasteful number, since it uses less digits than its factorization.

30221021332132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503262558 (or 503262556 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 30221021332132 its reverse (23123312012203), we get a palindrome (53344333344335).

The spelling of 30221021332132 in words is "thirty trillion, two hundred twenty-one billion, twenty-one million, three hundred thirty-two thousand, one hundred thirty-two".