30220313012 has 6 divisors (see below), whose sum is σ = 52885547778. Its totient is φ = 15110156504.

The previous prime is 30220312963. The next prime is 30220313023. The reversal of 30220313012 is 21031302203.

It can be written as a sum of positive squares in only one way, i.e., 29471962276 + 748350736 = 171674^2 + 27356^2 .

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3777539123 + ... + 3777539130.

It is an arithmetic number, because the mean of its divisors is an integer number (8814257963).

Almost surely, 2^30220313012 is an apocalyptic number.

It is an amenable number.

30220313012 is a deficient number, since it is larger than the sum of its proper divisors (22665234766).

30220313012 is a wasteful number, since it uses less digits than its factorization.

30220313012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7555078257 (or 7555078255 counting only the distinct ones).

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

Adding to 30220313012 its reverse (21031302203), we get a palindrome (51251615215).

The spelling of 30220313012 in words is "thirty billion, two hundred twenty million, three hundred thirteen thousand, twelve".