2122313312 has 48 divisors (see below), whose sum is σ = 4778313120. Its totient is φ = 908971008.

The previous prime is 2122313287. The next prime is 2122313317. The reversal of 2122313312 is 2133132212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122313317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 649988 + ... + 653244.

It is an arithmetic number, because the mean of its divisors is an integer number (99548190).

Almost surely, 2^2122313312 is an apocalyptic number.

It is an amenable number.

2122313312 is an abundant number, since it is smaller than the sum of its proper divisors (2655999808).

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

2122313312 is a wasteful number, since it uses less digits than its factorization.

2122313312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6183 (or 6175 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 2122313312 is about 46068.5718467590. The cubic root of 2122313312 is about 1285.0987447523.

Adding to 2122313312 its reverse (2133132212), we get a palindrome (4255445524).

The spelling of 2122313312 in words is "two billion, one hundred twenty-two million, three hundred thirteen thousand, three hundred twelve".