30221323200312 has 32 divisors (see below), whose sum is σ = 79997620237200. Its totient is φ = 9481199435264.

The previous prime is 30221323200221. The next prime is 30221323200319. The reversal of 30221323200312 is 21300232312203.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221323200319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37035934887 + ... + 37035935702.

Almost surely, 2^{30221323200312} is an apocalyptic number.

It is an amenable number.

30221323200312 is an abundant number, since it is smaller than the sum of its proper divisors (49776297036888).

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

30221323200312 is a wasteful number, since it uses less digits than its factorization.

30221323200312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74071870615 (or 74071870611 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 30221323200312 its reverse (21300232312203), we get a palindrome (51521555512515).

The spelling of 30221323200312 in words is "thirty trillion, two hundred twenty-one billion, three hundred twenty-three million, two hundred thousand, three hundred twelve".