200212222121010 has 648 divisors, whose sum is σ = 641491602252228. Its totient is φ = 43276699699200.

The previous prime is 200212222120957. The next prime is 200212222121071. The reversal of 200212222121010 is 10121222212002.

It is a happy number.

200212222121010 is a `hidden beast` number, since 20 + 0 + 212 + 2 + 221 + 210 + 1 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 141516505237041 + 58695716883969 = 11896071^2 + 7661313^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 323 ways as a sum of consecutive naturals, for example, 1136054700 + ... + 1136230920.

Almost surely, 2^{200212222121010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200212222121010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320745801126114).

200212222121010 is an abundant number, since it is smaller than the sum of its proper divisors (441279380131218).

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

200212222121010 is a wasteful number, since it uses less digits than its factorization.

200212222121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176328 (or 176278 counting only the distinct ones).

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

Adding to 200212222121010 its reverse (10121222212002), we get a palindrome (210333444333012).

The spelling of 200212222121010 in words is "two hundred trillion, two hundred twelve billion, two hundred twenty-two million, one hundred twenty-one thousand, ten".