2112257896 has 48 divisors (see below), whose sum is σ = 4650242400. Its totient is φ = 896775264.

The previous prime is 2112257863. The next prime is 2112257897. The reversal of 2112257896 is 6987522112.

It is not an unprimeable number, because it can be changed into a prime (2112257897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16765 + ... + 67123.

It is an arithmetic number, because the mean of its divisors is an integer number (96880050).

Almost surely, 2^2112257896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112257896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2325121200).

2112257896 is an abundant number, since it is smaller than the sum of its proper divisors (2537984504).

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

2112257896 is a wasteful number, since it uses less digits than its factorization.

2112257896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50486 (or 50475 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The square root of 2112257896 is about 45959.3069573509. The cubic root of 2112257896 is about 1283.0659527436.

The spelling of 2112257896 in words is "two billion, one hundred twelve million, two hundred fifty-seven thousand, eight hundred ninety-six".