200212100121222 has 96 divisors (see below), whose sum is σ = 519083814832128. Its totient is φ = 54529604889408.

The previous prime is 200212100121017. The next prime is 200212100121263. The reversal of 200212100121222 is 222121001212002.

It is a happy number.

200212100121222 is a `hidden beast` number, since 200 + 2 + 121 + 0 + 0 + 121 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 200212100121195 and 200212100121204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 117045598 + ... + 118743825.

It is an arithmetic number, because the mean of its divisors is an integer number (5407123071168).

Almost surely, 2^{200212100121222} is an apocalyptic number.

200212100121222 is an abundant number, since it is smaller than the sum of its proper divisors (318871714710906).

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

200212100121222 is a wasteful number, since it uses less digits than its factorization.

200212100121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235789754 (or 235789751 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 200212100121222 its reverse (222121001212002), we get a palindrome (422333101333224).

The spelling of 200212100121222 in words is "two hundred trillion, two hundred twelve billion, one hundred million, one hundred twenty-one thousand, two hundred twenty-two".