212012303030 has 64 divisors (see below), whose sum is σ = 432388212480. Its totient is φ = 74140080000.

The previous prime is 212012303017. The next prime is 212012303039. The reversal of 212012303030 is 30303210212.

212012303030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012303039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 668297 + ... + 933083.

It is an arithmetic number, because the mean of its divisors is an integer number (6756065820).

Almost surely, 2^212012303030 is an apocalyptic number.

212012303030 is an abundant number, since it is smaller than the sum of its proper divisors (220375909450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212012303030 is a wasteful number, since it uses less digits than its factorization.

212012303030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265085.

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

Adding to 212012303030 its reverse (30303210212), we get a palindrome (242315513242).

The spelling of 212012303030 in words is "two hundred twelve billion, twelve million, three hundred three thousand, thirty".