2012072182666 has 32 divisors (see below), whose sum is σ = 3714915068928. Its totient is φ = 795915970560.

The previous prime is 2012072182573. The next prime is 2012072182739. The reversal of 2012072182666 is 6662812702102.

It is a happy 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, 1666506 + ... + 2607946.

It is an arithmetic number, because the mean of its divisors is an integer number (116091095904).

Almost surely, 2^{2012072182666} is an apocalyptic number.

2012072182666 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2012072182666 is a deficient number, since it is larger than the sum of its proper divisors (1702842886262).

2012072182666 is a wasteful number, since it uses less digits than its factorization.

2012072182666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953206.

The product of its (nonzero) digits is 193536, while the sum is 43.

Adding to 2012072182666 its reverse (6662812702102), we get a palindrome (8674884884768).

The spelling of 2012072182666 in words is "two trillion, twelve billion, seventy-two million, one hundred eighty-two thousand, six hundred sixty-six".