213120202230 has 96 divisors (see below), whose sum is σ = 596857584960. Its totient is φ = 52449719040.

The previous prime is 213120202121. The next prime is 213120202249. The reversal of 213120202230 is 32202021312.

213120202230 is a `hidden beast` number, since 213 + 1 + 20 + 202 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6841831 + ... + 6872909.

It is an arithmetic number, because the mean of its divisors is an integer number (6217266510).

Almost surely, 2^213120202230 is an apocalyptic number.

213120202230 is an abundant number, since it is smaller than the sum of its proper divisors (383737382730).

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

213120202230 is a wasteful number, since it uses less digits than its factorization.

213120202230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36966 (or 36963 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 213120202230 its reverse (32202021312), we get a palindrome (245322223542).

The spelling of 213120202230 in words is "two hundred thirteen billion, one hundred twenty million, two hundred two thousand, two hundred thirty".