210213321300 has 54 divisors (see below), whose sum is σ = 658901979918. Its totient is φ = 56056885440.

The previous prime is 210213321299. The next prime is 210213321317. The reversal of 210213321300 is 3123312012.

210213321300 is a `hidden beast` number, since 2 + 10 + 21 + 332 + 1 + 300 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 41405738256 + 168807583044 = 203484^2 + 410862^2 .

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 polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 116784279 + ... + 116786078.

It is an arithmetic number, because the mean of its divisors is an integer number (12201888517).

Almost surely, 2^210213321300 is an apocalyptic number.

210213321300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210213321300 is an abundant number, since it is smaller than the sum of its proper divisors (448688658618).

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

210213321300 is a wasteful number, since it uses less digits than its factorization.

210213321300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233570377 (or 233570367 counting only the distinct ones).

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

Adding to 210213321300 its reverse (3123312012), we get a palindrome (213336633312).

The spelling of 210213321300 in words is "two hundred ten billion, two hundred thirteen million, three hundred twenty-one thousand, three hundred".