30210321212 has 12 divisors (see below), whose sum is σ = 53160152136. Its totient is φ = 15021706320.

The previous prime is 30210321161. The next prime is 30210321259. The reversal of 30210321212 is 21212301203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20862758 + ... + 20864205.

It is an arithmetic number, because the mean of its divisors is an integer number (4430012678).

Almost surely, 2^30210321212 is an apocalyptic number.

It is an amenable number.

30210321212 is a deficient number, since it is larger than the sum of its proper divisors (22949830924).

30210321212 is a wasteful number, since it uses less digits than its factorization.

30210321212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41727148 (or 41727146 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30210321212 its reverse (21212301203), we get a palindrome (51422622415).

The spelling of 30210321212 in words is "thirty billion, two hundred ten million, three hundred twenty-one thousand, two hundred twelve".