100212210221200 has 480 divisors, whose sum is σ = 303281887288320. Its totient is φ = 30911251200000.

The previous prime is 100212210221191. The next prime is 100212210221213. The reversal of 100212210221200 is 2122012212001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 8022746955 + ... + 8022759445.

It is an arithmetic number, because the mean of its divisors is an integer number (631837265184).

Almost surely, 2^{100212210221200} is an apocalyptic number.

100212210221200 is a gapful number since it is divisible by the number (10) 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 100212210221200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151640943644160).

100212210221200 is an abundant number, since it is smaller than the sum of its proper divisors (203069677067120).

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

100212210221200 is a wasteful number, since it uses less digits than its factorization.

100212210221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15207 (or 15196 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 100212210221200 its reverse (2122012212001), we get a palindrome (102334222433201).

The spelling of 100212210221200 in words is "one hundred trillion, two hundred twelve billion, two hundred ten million, two hundred twenty-one thousand, two hundred".