213203013210 has 96 divisors (see below), whose sum is σ = 606028670208. Its totient is φ = 51573836160.

The previous prime is 213203013209. The next prime is 213203013229. The reversal of 213203013210 is 12310302312.

213203013210 is a `hidden beast` number, since 2 + 1 + 320 + 301 + 32 + 10 = 666.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 225804 + ... + 690936.

It is an arithmetic number, because the mean of its divisors is an integer number (6312798648).

Almost surely, 2^213203013210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213203013210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303014335104).

213203013210 is an abundant number, since it is smaller than the sum of its proper divisors (392825656998).

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

213203013210 is a wasteful number, since it uses less digits than its factorization.

213203013210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465620 (or 465617 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 213203013210 its reverse (12310302312), we get a palindrome (225513315522).

The spelling of 213203013210 in words is "two hundred thirteen billion, two hundred three million, thirteen thousand, two hundred ten".