2012356605 has 32 divisors (see below), whose sum is σ = 3683155968. Its totient is φ = 919080000.

The previous prime is 2012356579. The next prime is 2012356609. The reversal of 2012356605 is 5066532102.

It is not a de Polignac number, because 2012356605 - 2⁵ = 2012356573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012356609) 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 31 ways as a sum of consecutive naturals, for example, 112530 + ... + 129180.

It is an arithmetic number, because the mean of its divisors is an integer number (115098624).

Almost surely, 2^2012356605 is an apocalyptic number.

It is an amenable number.

2012356605 is a deficient number, since it is larger than the sum of its proper divisors (1670799363).

2012356605 is a wasteful number, since it uses less digits than its factorization.

2012356605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17817.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 2012356605 is about 44859.2978656599. The cubic root of 2012356605 is about 1262.5104489545.

Adding to 2012356605 its reverse (5066532102), we get a palindrome (7078888707).

The spelling of 2012356605 in words is "two billion, twelve million, three hundred fifty-six thousand, six hundred five".