30020010212 has 6 divisors (see below), whose sum is σ = 52535017878. Its totient is φ = 15010005104.

The previous prime is 30020010193. The next prime is 30020010217. The reversal of 30020010212 is 21201002003.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15315052516 + 14704957696 = 123754^2 + 121264^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30020010193 and 30020010202.

It is not an unprimeable number, because it can be changed into a prime (30020010217) 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 as a sum of consecutive naturals, namely, 3752501273 + ... + 3752501280.

It is an arithmetic number, because the mean of its divisors is an integer number (8755836313).

Almost surely, 2^30020010212 is an apocalyptic number.

It is an amenable number.

30020010212 is a deficient number, since it is larger than the sum of its proper divisors (22515007666).

30020010212 is a wasteful number, since it uses less digits than its factorization.

30020010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7505002557 (or 7505002555 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 30020010212 its reverse (21201002003), we get a palindrome (51221012215).

The spelling of 30020010212 in words is "thirty billion, twenty million, ten thousand, two hundred twelve".