201203112 has 64 divisors (see below), whose sum is σ = 550042560. Its totient is φ = 60825600.

The previous prime is 201203089. The next prime is 201203117. The reversal of 201203112 is 211302102.

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

It is not an unprimeable number, because it can be changed into a prime (201203117) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 173928 + ... + 175080.

It is an arithmetic number, because the mean of its divisors is an integer number (8594415).

Almost surely, 2^201203112 is an apocalyptic number.

201203112 is a gapful number since it is divisible by the number (22) 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 201203112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275021280).

201203112 is an abundant number, since it is smaller than the sum of its proper divisors (348839448).

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

201203112 is a wasteful number, since it uses less digits than its factorization.

201203112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834 (or 1830 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 201203112 is about 14184.6082779892. The cubic root of 201203112 is about 585.9738443831.

Adding to 201203112 its reverse (211302102), we get a palindrome (412505214).

It can be divided in two parts, 20120 and 3112, that added together give a palindrome (23232).

The spelling of 201203112 in words is "two hundred one million, two hundred three thousand, one hundred twelve".