30210311212 has 12 divisors (see below), whose sum is σ = 52933239016. Its totient is φ = 15086528640.

The previous prime is 30210311203. The next prime is 30210311273. The reversal of 30210311212 is 21211301203.

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, 4653093 + ... + 4659580.

Almost surely, 2^30210311212 is an apocalyptic number.

It is an amenable number.

30210311212 is a deficient number, since it is larger than the sum of its proper divisors (22722927804).

30210311212 is a wasteful number, since it uses less digits than its factorization.

30210311212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9313488 (or 9313486 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30210311212 its reverse (21211301203), we get a palindrome (51421612415).

The spelling of 30210311212 in words is "thirty billion, two hundred ten million, three hundred eleven thousand, two hundred twelve".