212120020030 has 8 divisors (see below), whose sum is σ = 381816036072. Its totient is φ = 84848008008.

The previous prime is 212120019919. The next prime is 212120020067. The reversal of 212120020030 is 30020021212.

212120020030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10606000992 + ... + 10606001011.

It is an arithmetic number, because the mean of its divisors is an integer number (47727004509).

Almost surely, 2^212120020030 is an apocalyptic number.

212120020030 is a deficient number, since it is larger than the sum of its proper divisors (169696016042).

212120020030 is a wasteful number, since it uses less digits than its factorization.

212120020030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21212002010.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 212120020030 its reverse (30020021212), we get a palindrome (242140041242).

The spelling of 212120020030 in words is "two hundred twelve billion, one hundred twenty million, twenty thousand, thirty".