2012159806 has 8 divisors (see below), whose sum is σ = 3042005760. Its totient is φ = 998157888.

The previous prime is 2012159803. The next prime is 2012159819. The reversal of 2012159806 is 6089512102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012159801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3960691 + ... + 3961198.

It is an arithmetic number, because the mean of its divisors is an integer number (380250720).

Almost surely, 2^2012159806 is an apocalyptic number.

2012159806 is a deficient number, since it is larger than the sum of its proper divisors (1029845954).

2012159806 is a wasteful number, since it uses less digits than its factorization.

2012159806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7922018.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 2012159806 is about 44857.1042979816. The cubic root of 2012159806 is about 1262.4692917538.

The spelling of 2012159806 in words is "two billion, twelve million, one hundred fifty-nine thousand, eight hundred six".