210202000122212 has 72 divisors (see below), whose sum is σ = 436008006456120. Its totient is φ = 88382163018240.

The previous prime is 210202000122203. The next prime is 210202000122271. The reversal of 210202000122212 is 212221000202012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 44980951622656 + 165221048499556 = 6706784^2 + 12853834^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200057912 + ... + 201105872.

It is an arithmetic number, because the mean of its divisors is an integer number (6055666756335).

Almost surely, 2^{210202000122212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210202000122212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218004003228060).

210202000122212 is an abundant number, since it is smaller than the sum of its proper divisors (225806006333908).

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

210202000122212 is a wasteful number, since it uses less digits than its factorization.

210202000122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067341 (or 1067332 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 210202000122212 its reverse (212221000202012), we get a palindrome (422423000324224).

The spelling of 210202000122212 in words is "two hundred ten trillion, two hundred two billion, one hundred twenty-two thousand, two hundred twelve".