30510212212 has 12 divisors (see below), whose sum is σ = 53394703236. Its totient is φ = 15254582720.

The previous prime is 30510212189. The next prime is 30510212233. The reversal of 30510212212 is 21221201503.

It can be written as a sum of positive squares in 2 ways, for example, as 20573312356 + 9936899856 = 143434^2 + 99684^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30510212212.

It is a congruent number.

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, 19512 + ... + 247792.

It is an arithmetic number, because the mean of its divisors is an integer number (4449558603).

Almost surely, 2^30510212212 is an apocalyptic number.

It is an amenable number.

30510212212 is a deficient number, since it is larger than the sum of its proper divisors (22884491024).

30510212212 is a wasteful number, since it uses less digits than its factorization.

30510212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261698 (or 261696 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 30510212212 its reverse (21221201503), we get a palindrome (51731413715).

The spelling of 30510212212 in words is "thirty billion, five hundred ten million, two hundred twelve thousand, two hundred twelve".