30302310212 has 24 divisors (see below), whose sum is σ = 56153817720. Its totient is φ = 14258534400.

The previous prime is 30302310179. The next prime is 30302310223. The reversal of 30302310212 is 21201320303.

It can be written as a sum of positive squares in 4 ways, for example, as 20305110016 + 9997200196 = 142496^2 + 99986^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1170464 + ... + 1196072.

It is an arithmetic number, because the mean of its divisors is an integer number (2339742405).

Almost surely, 2^30302310212 is an apocalyptic number.

It is an amenable number.

30302310212 is a deficient number, since it is larger than the sum of its proper divisors (25851507508).

30302310212 is a wasteful number, since it uses less digits than its factorization.

30302310212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43031 (or 43029 counting only the distinct ones).

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

Adding to 30302310212 its reverse (21201320303), we get a palindrome (51503630515).

The spelling of 30302310212 in words is "thirty billion, three hundred two million, three hundred ten thousand, two hundred twelve".