2012240186 has 16 divisors (see below), whose sum is σ = 3298484160. Its totient is φ = 913063680.

The previous prime is 2012240183. The next prime is 2012240203. The reversal of 2012240186 is 6810422102.

It is a happy number.

It is a super-2 number, since 2×2012240186² = 8098221132306629192, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2012240183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66566 + ... + 91953.

It is an arithmetic number, because the mean of its divisors is an integer number (206155260).

Almost surely, 2^2012240186 is an apocalyptic number.

2012240186 is a deficient number, since it is larger than the sum of its proper divisors (1286243974).

2012240186 is a wasteful number, since it uses less digits than its factorization.

2012240186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159109.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 2012240186 is about 44858.0002452182. Note that the first 3 decimals coincide. The cubic root of 2012240186 is about 1262.4861022030.

Adding to 2012240186 its reverse (6810422102), we get a palindrome (8822662288).

The spelling of 2012240186 in words is "two billion, twelve million, two hundred forty thousand, one hundred eighty-six".