2112422312 has 256 divisors, whose sum is σ = 5748019200. Its totient is φ = 700231680.

The previous prime is 2112422287. The next prime is 2112422341. The reversal of 2112422312 is 2132242112.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8031893 + ... + 8032155.

It is an arithmetic number, because the mean of its divisors is an integer number (22453200).

Almost surely, 2^2112422312 is an apocalyptic number.

2112422312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112422312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2874009600).

2112422312 is an abundant number, since it is smaller than the sum of its proper divisors (3635596888).

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

2112422312 is a wasteful number, since it uses less digits than its factorization.

2112422312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 372 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 2112422312 is about 45961.0956353305. The cubic root of 2112422312 is about 1283.0992427282.

Adding to 2112422312 its reverse (2132242112), we get a palindrome (4244664424).

It can be divided in two parts, 2112 and 422312, that added together give a palindrome (424424).

The spelling of 2112422312 in words is "two billion, one hundred twelve million, four hundred twenty-two thousand, three hundred twelve".