201122002020212 has 192 divisors, whose sum is σ = 464846435020800. Its totient is φ = 73974849315840.

The previous prime is 201122002020209. The next prime is 201122002020229. The reversal of 201122002020212 is 212020200221102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41673887 + ... + 46248857.

It is an arithmetic number, because the mean of its divisors is an integer number (2421075182400).

Almost surely, 2^{201122002020212} 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 201122002020212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232423217510400).

201122002020212 is an abundant number, since it is smaller than the sum of its proper divisors (263724433000588).

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

201122002020212 is a wasteful number, since it uses less digits than its factorization.

201122002020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4575166 (or 4575164 counting only the distinct ones).

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

Adding to 201122002020212 its reverse (212020200221102), we get a palindrome (413142202241314).

The spelling of 201122002020212 in words is "two hundred one trillion, one hundred twenty-two billion, two million, twenty thousand, two hundred twelve".