201231204 has 24 divisors (see below), whose sum is σ = 494252640. Its totient is φ = 63546624.

The previous prime is 201231181. The next prime is 201231211. The reversal of 201231204 is 402132102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441069 + ... + 441524.

It is an arithmetic number, because the mean of its divisors is an integer number (20593860).

Almost surely, 2^201231204 is an apocalyptic number.

It is an amenable number.

201231204 is an abundant number, since it is smaller than the sum of its proper divisors (293021436).

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

201231204 is a wasteful number, since it uses less digits than its factorization.

201231204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882619 (or 882617 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 201231204 is about 14185.5984716895. The cubic root of 201231204 is about 586.0011143576.

Adding to 201231204 its reverse (402132102), we get a palindrome (603363306).

The spelling of 201231204 in words is "two hundred one million, two hundred thirty-one thousand, two hundred four".