30331200212 has 12 divisors (see below), whose sum is σ = 53081099316. Its totient is φ = 15165171840.

The previous prime is 30331200187. The next prime is 30331200239. The reversal of 30331200212 is 21200213303.

It can be written as a sum of positive squares in 2 ways, for example, as 9238285456 + 21092914756 = 96116^2 + 145234^2 .

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, 94412 + ... + 263772.

It is an arithmetic number, because the mean of its divisors is an integer number (4423424943).

Almost surely, 2^30331200212 is an apocalyptic number.

It is an amenable number.

30331200212 is a deficient number, since it is larger than the sum of its proper divisors (22749899104).

30331200212 is a wasteful number, since it uses less digits than its factorization.

30331200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214138 (or 214136 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30331200212 its reverse (21200213303), we get a palindrome (51531413515).

The spelling of 30331200212 in words is "thirty billion, three hundred thirty-one million, two hundred thousand, two hundred twelve".