201112012 has 12 divisors (see below), whose sum is σ = 353498040. Its totient is φ = 100112576.

The previous prime is 201111991. The next prime is 201112019. The reversal of 201112012 is 210211102.

It is a self number, because there is not a number n which added to its sum of digits gives 201112012.

It is not an unprimeable number, because it can be changed into a prime (201112019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109837 + ... + 111652.

It is an arithmetic number, because the mean of its divisors is an integer number (29458170).

Almost surely, 2^201112012 is an apocalyptic number.

It is an amenable number.

201112012 is a deficient number, since it is larger than the sum of its proper divisors (152386028).

201112012 is a wasteful number, since it uses less digits than its factorization.

201112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221720 (or 221718 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 201112012 is about 14181.3966872096. The cubic root of 201112012 is about 585.8853926763.

Adding to 201112012 its reverse (210211102), we get a palindrome (411323114).

The spelling of 201112012 in words is "two hundred one million, one hundred twelve thousand, twelve".