30212321112 has 64 divisors (see below), whose sum is σ = 83998917600. Its totient is φ = 10061677440.

The previous prime is 30212321089. The next prime is 30212321123. The reversal of 30212321112 is 21112321203.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178662 + ... + 303882.

Almost surely, 2^30212321112 is an apocalyptic number.

It is an amenable number.

30212321112 is an abundant number, since it is smaller than the sum of its proper divisors (53786596488).

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

30212321112 is a wasteful number, since it uses less digits than its factorization.

30212321112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126353 (or 126343 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 30212321112 its reverse (21112321203), we get a palindrome (51324642315).

Subtracting from 30212321112 its reverse (21112321203), we obtain a palindrome (9099999909).

The spelling of 30212321112 in words is "thirty billion, two hundred twelve million, three hundred twenty-one thousand, one hundred twelve".