212322030 has 32 divisors (see below), whose sum is σ = 520418304. Its totient is φ = 55414176.

The previous prime is 212322023. The next prime is 212322041. The reversal of 212322030 is 30223212.

212322030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 73882 + ... + 76701.

It is an arithmetic number, because the mean of its divisors is an integer number (16263072).

Almost surely, 2^212322030 is an apocalyptic number.

212322030 is an abundant number, since it is smaller than the sum of its proper divisors (308096274).

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

212322030 is a wasteful number, since it uses less digits than its factorization.

212322030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150640.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 212322030 is about 14571.2741378371. The cubic root of 212322030 is about 596.5749579026.

Adding to 212322030 its reverse (30223212), we get a palindrome (242545242).

The spelling of 212322030 in words is "two hundred twelve million, three hundred twenty-two thousand, thirty".