210123032200 has 48 divisors (see below), whose sum is σ = 505382134500. Its totient is φ = 81150961920.

The previous prime is 210123032177. The next prime is 210123032243. The reversal of 210123032200 is 2230321012.

It can be written as a sum of positive squares in 6 ways, for example, as 37700435556 + 172422596644 = 194166^2 + 415238^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18108255 + ... + 18119854.

Almost surely, 2^210123032200 is an apocalyptic number.

210123032200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210123032200 is an abundant number, since it is smaller than the sum of its proper divisors (295259102300).

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

210123032200 is a wasteful number, since it uses less digits than its factorization.

210123032200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36228154 (or 36228145 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 210123032200 its reverse (2230321012), we get a palindrome (212353353212).

The spelling of 210123032200 in words is "two hundred ten billion, one hundred twenty-three million, thirty-two thousand, two hundred".