212210030 has 8 divisors (see below), whose sum is σ = 381978072. Its totient is φ = 84884008.

The previous prime is 212210027. The next prime is 212210041. The reversal of 212210030 is 30012212.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 212209993 and 212210020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10610492 + ... + 10610511.

It is an arithmetic number, because the mean of its divisors is an integer number (47747259).

Almost surely, 2^212210030 is an apocalyptic number.

212210030 is a deficient number, since it is larger than the sum of its proper divisors (169768042).

212210030 is a wasteful number, since it uses less digits than its factorization.

212210030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21221010.

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

The square root of 212210030 is about 14567.4304528973. The cubic root of 212210030 is about 596.4700415682.

Adding to 212210030 its reverse (30012212), we get a palindrome (242222242).

The spelling of 212210030 in words is "two hundred twelve million, two hundred ten thousand, thirty".