201123300000 has 288 divisors, whose sum is σ = 754171979904. Its totient is φ = 45970560000.

The previous prime is 201123299999. The next prime is 201123300013. The reversal of 201123300000 is 3321102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2052114 + ... + 2147886.

It is an arithmetic number, because the mean of its divisors is an integer number (2618652708).

Almost surely, 2^201123300000 is an apocalyptic number.

201123300000 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 201123300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377085989952).

201123300000 is an abundant number, since it is smaller than the sum of its proper divisors (553048679904).

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

201123300000 is an frugal number, since it uses more digits than its factorization.

201123300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95818 (or 95790 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 201123300000 its reverse (3321102), we get a palindrome (201126621102).

The spelling of 201123300000 in words is "two hundred one billion, one hundred twenty-three million, three hundred thousand".