201112992 has 72 divisors (see below), whose sum is σ = 605571876. Its totient is φ = 63092736.

The previous prime is 201112991. The next prime is 201113069. The reversal of 201112992 is 299211102.

It can be written as a sum of positive squares in 2 ways, for example, as 168896016 + 32216976 = 12996^2 + 5676^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (201112991) 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 11 ways as a sum of consecutive naturals, for example, 15643 + ... + 25434.

Almost surely, 2^201112992 is an apocalyptic number.

It is an amenable number.

201112992 is an abundant number, since it is smaller than the sum of its proper divisors (404458884).

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

201112992 is a wasteful number, since it uses less digits than its factorization.

201112992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41110 (or 41099 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 201112992 is about 14181.4312394765. The cubic root of 201112992 is about 585.8863443297.

The spelling of 201112992 in words is "two hundred one million, one hundred twelve thousand, nine hundred ninety-two".