2123320112 has 20 divisors (see below), whose sum is σ = 4146329856. Its totient is φ = 1053299520.

The previous prime is 2123320037. The next prime is 2123320127. The reversal of 2123320112 is 2110233212.

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 3 ways as a sum of consecutive naturals, for example, 520439 + ... + 524502.

Almost surely, 2^2123320112 is an apocalyptic number.

It is an amenable number.

2123320112 is a deficient number, since it is larger than the sum of its proper divisors (2023009744).

2123320112 is a wasteful number, since it uses less digits than its factorization.

2123320112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045076 (or 1045070 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2123320112 is about 46079.4977403183. The cubic root of 2123320112 is about 1285.3019244413.

Adding to 2123320112 its reverse (2110233212), we get a palindrome (4233553324).

The spelling of 2123320112 in words is "two billion, one hundred twenty-three million, three hundred twenty thousand, one hundred twelve".