2122323312 has 40 divisors (see below), whose sum is σ = 5502214800. Its totient is φ = 704919040.

The previous prime is 2122323311. The next prime is 2122323373. The reversal of 2122323312 is 2133232212.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122323311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65187 + ... + 92162.

It is an arithmetic number, because the mean of its divisors is an integer number (137555370).

Almost surely, 2^2122323312 is an apocalyptic number.

It is an amenable number.

2122323312 is an abundant number, since it is smaller than the sum of its proper divisors (3379891488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2122323312 is a wasteful number, since it uses less digits than its factorization.

2122323312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157641 (or 157635 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 2122323312 is about 46068.6803804928. The cubic root of 2122323312 is about 1285.1007631422.

Adding to 2122323312 its reverse (2133232212), we get a palindrome (4255555524).

The spelling of 2122323312 in words is "two billion, one hundred twenty-two million, three hundred twenty-three thousand, three hundred twelve".