212300030 has 16 divisors (see below), whose sum is σ = 391027824. Its totient is φ = 82944960.

The previous prime is 212300021. The next prime is 212300057. The reversal of 212300030 is 30003212.

It is a junction number, because it is equal to n+sod(n) for n = 212299984 and 212300020.

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 7 ways as a sum of consecutive naturals, for example, 246431 + ... + 247290.

It is an arithmetic number, because the mean of its divisors is an integer number (24439239).

Almost surely, 2^212300030 is an apocalyptic number.

212300030 is a deficient number, since it is larger than the sum of its proper divisors (178727794).

212300030 is a wasteful number, since it uses less digits than its factorization.

212300030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493771.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 212300030 is about 14570.5192083192. The cubic root of 212300030 is about 596.5543522493.

Adding to 212300030 its reverse (30003212), we get a palindrome (242303242).

The spelling of 212300030 in words is "two hundred twelve million, three hundred thousand, thirty".