201322012120 has 64 divisors (see below), whose sum is σ = 458545665600. Its totient is φ = 79540285440.

The previous prime is 201322012097. The next prime is 201322012141. The reversal of 201322012120 is 21210223102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201322012094 and 201322012103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3413280 + ... + 3471760.

It is an arithmetic number, because the mean of its divisors is an integer number (7164776025).

Almost surely, 2^201322012120 is an apocalyptic number.

201322012120 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 201322012120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229272832800).

201322012120 is an abundant number, since it is smaller than the sum of its proper divisors (257223653480).

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

201322012120 is a wasteful number, since it uses less digits than its factorization.

201322012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59548 (or 59544 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 201322012120 its reverse (21210223102), we get a palindrome (222532235222).

The spelling of 201322012120 in words is "two hundred one billion, three hundred twenty-two million, twelve thousand, one hundred twenty".