30221023212212 has 48 divisors (see below), whose sum is σ = 60518164224000. Its totient is φ = 12935563423200.

The previous prime is 30221023212199. The next prime is 30221023212223. The reversal of 30221023212212 is 21221232012203.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100859537 + ... + 101158727.

It is an arithmetic number, because the mean of its divisors is an integer number (1260795088000).

Almost surely, 2^{30221023212212} is an apocalyptic number.

It is an amenable number.

30221023212212 is an abundant number, since it is smaller than the sum of its proper divisors (30297141011788).

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

30221023212212 is a wasteful number, since it uses less digits than its factorization.

30221023212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303732 (or 303730 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 30221023212212 its reverse (21221232012203), we get a palindrome (51442255224415).

The spelling of 30221023212212 in words is "thirty trillion, two hundred twenty-one billion, twenty-three million, two hundred twelve thousand, two hundred twelve".