30330000021312 has 168 divisors, whose sum is σ = 87224758951200. Its totient is φ = 10076411778048.

The previous prime is 30330000021259. The next prime is 30330000021367. The reversal of 30330000021312 is 21312000003303.

30330000021312 is a `hidden beast` number, since 3 + 0 + 330 + 0 + 0 + 0 + 0 + 21 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216592983 + ... + 216732969.

Almost surely, 2^{30330000021312} is an apocalyptic number.

30330000021312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30330000021312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43612379475600).

30330000021312 is an abundant number, since it is smaller than the sum of its proper divisors (56894758929888).

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

30330000021312 is a wasteful number, since it uses less digits than its factorization.

30330000021312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141253 (or 141240 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30330000021312 its reverse (21312000003303), we get a palindrome (51642000024615).

The spelling of 30330000021312 in words is "thirty trillion, three hundred thirty billion, twenty-one thousand, three hundred twelve".