210122101200 has 480 divisors, whose sum is σ = 785108892672. Its totient is φ = 47471616000.

The previous prime is 210122101193. The next prime is 210122101219. The reversal of 210122101200 is 2101221012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23108655 + ... + 23117745.

Almost surely, 2^210122101200 is an apocalyptic number.

210122101200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210122101200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392554446336).

210122101200 is an abundant number, since it is smaller than the sum of its proper divisors (574986791472).

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

210122101200 is a wasteful number, since it uses less digits than its factorization.

210122101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9243 (or 9232 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210122101200 its reverse (2101221012), we get a palindrome (212223322212).

210122101200 divided by its reverse (2101221012) gives a square (100 = 10²).

It can be divided in two parts, 21012 and 2101200, that multiplied together give a square (44150414400 = 210120²).

The spelling of 210122101200 in words is "two hundred ten billion, one hundred twenty-two million, one hundred one thousand, two hundred".