2012162812 has 48 divisors (see below), whose sum is σ = 3940941312. Its totient is φ = 891031680.

The previous prime is 2012162809. The next prime is 2012162813. The reversal of 2012162812 is 2182612102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012162813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 874848 + ... + 877144.

It is an arithmetic number, because the mean of its divisors is an integer number (82102944).

Almost surely, 2^2012162812 is an apocalyptic number.

2012162812 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2012162812 is a deficient number, since it is larger than the sum of its proper divisors (1928778500).

2012162812 is a wasteful number, since it uses less digits than its factorization.

2012162812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2818 (or 2816 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 2012162812 is about 44857.1378043673. The cubic root of 2012162812 is about 1262.4699204283.

Adding to 2012162812 its reverse (2182612102), we get a palindrome (4194774914).

The spelling of 2012162812 in words is "two billion, twelve million, one hundred sixty-two thousand, eight hundred twelve".