10212200121222 has 192 divisors, whose sum is σ = 24994388090880. Its totient is φ = 2985444000000.

The previous prime is 10212200121187. The next prime is 10212200121239. The reversal of 10212200121222 is 22212100221201.

It is a happy number.

10212200121222 is a `hidden beast` number, since 10 + 212 + 200 + 1 + 21 + 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 = 10212200121195 and 10212200121204.

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, 3093666972 + ... + 3093670272.

It is an arithmetic number, because the mean of its divisors is an integer number (130179104640).

Almost surely, 2^{10212200121222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10212200121222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12497194045440).

10212200121222 is an abundant number, since it is smaller than the sum of its proper divisors (14782187969658).

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

10212200121222 is a wasteful number, since it uses less digits than its factorization.

10212200121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4771 (or 4768 counting only the distinct ones).

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

Adding to 10212200121222 its reverse (22212100221201), we get a palindrome (32424300342423).

The spelling of 10212200121222 in words is "ten trillion, two hundred twelve billion, two hundred million, one hundred twenty-one thousand, two hundred twenty-two".