30220312012 has 48 divisors (see below), whose sum is σ = 58051113120. Its totient is φ = 13651545600.

The previous prime is 30220311983. The next prime is 30220312013. The reversal of 30220312012 is 21021302203.

It is not an unprimeable number, because it can be changed into a prime (30220312013) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6214462 + ... + 6219322.

It is an arithmetic number, because the mean of its divisors is an integer number (1209398190).

Almost surely, 2^30220312012 is an apocalyptic number.

It is an amenable number.

30220312012 is a deficient number, since it is larger than the sum of its proper divisors (27830801108).

30220312012 is a wasteful number, since it uses less digits than its factorization.

30220312012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5722 (or 5720 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30220312012 its reverse (21021302203), we get a palindrome (51241614215).

The spelling of 30220312012 in words is "thirty billion, two hundred twenty million, three hundred twelve thousand, twelve".