30311202212 has 12 divisors (see below), whose sum is σ = 54173212800. Its totient is φ = 14833141416.

The previous prime is 30311202209. The next prime is 30311202223. The reversal of 30311202212 is 21220211303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80614712 + ... + 80615087.

It is an arithmetic number, because the mean of its divisors is an integer number (4514434400).

Almost surely, 2^30311202212 is an apocalyptic number.

It is an amenable number.

30311202212 is a deficient number, since it is larger than the sum of its proper divisors (23862010588).

30311202212 is a wasteful number, since it uses less digits than its factorization.

30311202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161229850 (or 161229848 counting only the distinct ones).

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

Adding to 30311202212 its reverse (21220211303), we get a palindrome (51531413515).

Subtracting from 30311202212 its reverse (21220211303), we obtain a palindrome (9090990909).

The spelling of 30311202212 in words is "thirty billion, three hundred eleven million, two hundred two thousand, two hundred twelve".