30013030212 has 72 divisors (see below), whose sum is σ = 77094486336. Its totient is φ = 9080808000.

The previous prime is 30013030199. The next prime is 30013030213. The reversal of 30013030212 is 21203031003.

It is a junction number, because it is equal to n+sod(n) for n = 30013030191 and 30013030200.

It is not an unprimeable number, because it can be changed into a prime (30013030213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 944137 + ... + 975407.

Almost surely, 2^30013030212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30013030212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38547243168).

30013030212 is an abundant number, since it is smaller than the sum of its proper divisors (47081456124).

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

30013030212 is a wasteful number, since it uses less digits than its factorization.

30013030212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31961 (or 31948 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30013030212 its reverse (21203031003), we get a palindrome (51216061215).

The spelling of 30013030212 in words is "thirty billion, thirteen million, thirty thousand, two hundred twelve".