30212011212 has 48 divisors (see below), whose sum is σ = 70783222272. Its totient is φ = 10029539520.

The previous prime is 30212011199. The next prime is 30212011223. The reversal of 30212011212 is 21211021203.

It is a junction number, because it is equal to n+sod(n) for n = 30212011191 and 30212011200.

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, 3034162 + ... + 3044102.

It is an arithmetic number, because the mean of its divisors is an integer number (1474650464).

Almost surely, 2^30212011212 is an apocalyptic number.

It is an amenable number.

30212011212 is an abundant number, since it is smaller than the sum of its proper divisors (40571211060).

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

30212011212 is a wasteful number, since it uses less digits than its factorization.

30212011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10958 (or 10956 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 30212011212 its reverse (21211021203), we get a palindrome (51423032415).

Subtracting from 30212011212 its reverse (21211021203), we obtain a palindrome (9000990009).

The spelling of 30212011212 in words is "thirty billion, two hundred twelve million, eleven thousand, two hundred twelve".