212201122000 has 160 divisors (see below), whose sum is σ = 587237414400. Its totient is φ = 72651110400.

The previous prime is 212201121989. The next prime is 212201122027. The reversal of 212201122000 is 221102212.

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 31 ways as a sum of consecutive naturals, for example, 10167576 + ... + 10188424.

It is an arithmetic number, because the mean of its divisors is an integer number (3670233840).

Almost surely, 2^212201122000 is an apocalyptic number.

212201122000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212201122000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293618707200).

212201122000 is an abundant number, since it is smaller than the sum of its proper divisors (375036292400).

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

212201122000 is a wasteful number, since it uses less digits than its factorization.

212201122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21606 (or 21590 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212201122000 its reverse (221102212), we get a palindrome (212422224212).

The spelling of 212201122000 in words is "two hundred twelve billion, two hundred one million, one hundred twenty-two thousand".