6655112012 has 24 divisors (see below), whose sum is σ = 11820049920. Its totient is φ = 3278031120.

The previous prime is 6655111999. The next prime is 6655112033. The reversal of 6655112012 is 2102115566.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 368039 + ... + 385697.

It is an arithmetic number, because the mean of its divisors is an integer number (492502080).

Almost surely, 2^6655112012 is an apocalyptic number.

It is an amenable number.

6655112012 is a deficient number, since it is larger than the sum of its proper divisors (5164937908).

6655112012 is a wasteful number, since it uses less digits than its factorization.

6655112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19061 (or 19059 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 6655112012 is about 81578.8698867544. The cubic root of 6655112012 is about 1880.9840943334.

Adding to 6655112012 its reverse (2102115566), we get a palindrome (8757227578).

The spelling of 6655112012 in words is "six billion, six hundred fifty-five million, one hundred twelve thousand, twelve".