201201134204 has 96 divisors (see below), whose sum is σ = 422213500800. Its totient is φ = 83798862336.

The previous prime is 201201134191. The next prime is 201201134213. The reversal of 201201134204 is 402431102102.

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, 55686302 + ... + 55689914.

It is an arithmetic number, because the mean of its divisors is an integer number (4398057300).

Almost surely, 2^201201134204 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 201201134204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211106750400).

201201134204 is an abundant number, since it is smaller than the sum of its proper divisors (221012366596).

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

201201134204 is a wasteful number, since it uses less digits than its factorization.

201201134204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4772 (or 4756 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 201201134204 its reverse (402431102102), we get a palindrome (603632236306).

The spelling of 201201134204 in words is "two hundred one billion, two hundred one million, one hundred thirty-four thousand, two hundred four".