201201031122000 has 640 divisors, whose sum is σ = 819943224941568. Its totient is φ = 41303872512000.

The previous prime is 201201031121941. The next prime is 201201031122001. The reversal of 201201031122000 is 221130102102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201201031122001) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15222270 + ... + 25181730.

Almost surely, 2^{201201031122000} is an apocalyptic number.

201201031122000 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 201201031122000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409971612470784).

201201031122000 is an abundant number, since it is smaller than the sum of its proper divisors (618742193819568).

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

201201031122000 is a wasteful number, since it uses less digits than its factorization.

201201031122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9959544 (or 9959528 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 201201031122000 its reverse (221130102102), we get a palindrome (201422161224102).

The spelling of 201201031122000 in words is "two hundred one trillion, two hundred one billion, thirty-one million, one hundred twenty-two thousand".