210123201200 has 60 divisors (see below), whose sum is σ = 550713819768. Its totient is φ = 76408435200.

The previous prime is 210123201173. The next prime is 210123201209. The reversal of 210123201200 is 2102321012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (210123201209) 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 11 ways as a sum of consecutive naturals, for example, 23873237 + ... + 23882036.

Almost surely, 2^210123201200 is an apocalyptic number.

210123201200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210123201200 is an abundant number, since it is smaller than the sum of its proper divisors (340590618568).

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

210123201200 is a wasteful number, since it uses less digits than its factorization.

210123201200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47755302 (or 47755291 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 210123201200 its reverse (2102321012), we get a palindrome (212225522212).

The spelling of 210123201200 in words is "two hundred ten billion, one hundred twenty-three million, two hundred one thousand, two hundred".