213120230 has 8 divisors (see below), whose sum is σ = 383616432. Its totient is φ = 85248088.

The previous prime is 213120197. The next prime is 213120239. The reversal of 213120230 is 32021312.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213120239) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10656002 + ... + 10656021.

It is an arithmetic number, because the mean of its divisors is an integer number (47952054).

Almost surely, 2^213120230 is an apocalyptic number.

213120230 is a deficient number, since it is larger than the sum of its proper divisors (170496202).

213120230 is a wasteful number, since it uses less digits than its factorization.

213120230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21312030.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 213120230 is about 14598.6379501651. The cubic root of 213120230 is about 597.3216077791.

Adding to 213120230 its reverse (32021312), we get a palindrome (245141542).

The spelling of 213120230 in words is "two hundred thirteen million, one hundred twenty thousand, two hundred thirty".