201210001021212 has 96 divisors (see below), whose sum is σ = 495281383833600. Its totient is φ = 63400978360512.

The previous prime is 201210001021163. The next prime is 201210001021213. The reversal of 201210001021212 is 212120100012102.

It is a super-3 number, since 3×201210001021212³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 201210001021191 and 201210001021200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201210001021213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3884112103 + ... + 3884163905.

It is an arithmetic number, because the mean of its divisors is an integer number (5159181081600).

Almost surely, 2^{201210001021212} 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 201210001021212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247640691916800).

201210001021212 is an abundant number, since it is smaller than the sum of its proper divisors (294071382812388).

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

201210001021212 is a wasteful number, since it uses less digits than its factorization.

201210001021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88775 (or 88773 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201210001021212 its reverse (212120100012102), we get a palindrome (413330101033314).

The spelling of 201210001021212 in words is "two hundred one trillion, two hundred ten billion, one million, twenty-one thousand, two hundred twelve".