30021231220230 has 64 divisors (see below), whose sum is σ = 73447064928000. Its totient is φ = 7850689182336.

The previous prime is 30021231220217. The next prime is 30021231220249. The reversal of 30021231220230 is 3202213212003.

It is a happy number.

It is a super-2 number, since 2×30021231220230² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30021231220197 and 30021231220206.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1528480 + ... + 7898019.

It is an arithmetic number, because the mean of its divisors is an integer number (1147610389500).

Almost surely, 2^{30021231220230} is an apocalyptic number.

30021231220230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30021231220230 is an abundant number, since it is smaller than the sum of its proper divisors (43425833707770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30021231220230 is a wasteful number, since it uses less digits than its factorization.

30021231220230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9428565.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30021231220230 its reverse (3202213212003), we get a palindrome (33223444432233).

The spelling of 30021231220230 in words is "thirty trillion, twenty-one billion, two hundred thirty-one million, two hundred twenty thousand, two hundred thirty".