201116412 has 48 divisors (see below), whose sum is σ = 595902720. Its totient is φ = 57461616.

The previous prime is 201116407. The next prime is 201116429. The reversal of 201116412 is 214611102.

201116412 is a `hidden beast` number, since 20 + 1 + 1 + 1 + 641 + 2 = 666.

It is a super-2 number, since 2×201116412² = 80895622351507488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132258 + ... + 133769.

It is an arithmetic number, because the mean of its divisors is an integer number (12414640).

Almost surely, 2^201116412 is an apocalyptic number.

It is an amenable number.

201116412 is an abundant number, since it is smaller than the sum of its proper divisors (394786308).

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

201116412 is a wasteful number, since it uses less digits than its factorization.

201116412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266047 (or 266039 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 201116412 is about 14181.5518191769. The cubic root of 201116412 is about 585.8896653814.

Adding to 201116412 its reverse (214611102), we get a palindrome (415727514).

The spelling of 201116412 in words is "two hundred one million, one hundred sixteen thousand, four hundred twelve".