2112863830 has 96 divisors (see below), whose sum is σ = 4870380960. Its totient is φ = 652538880.

The previous prime is 2112863813. The next prime is 2112863839. The reversal of 2112863830 is 383682112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112863839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 607336 + ... + 610804.

It is an arithmetic number, because the mean of its divisors is an integer number (50733135).

Almost surely, 2^2112863830 is an apocalyptic number.

2112863830 is an abundant number, since it is smaller than the sum of its proper divisors (2757517130).

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

2112863830 is a wasteful number, since it uses less digits than its factorization.

2112863830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614 (or 3607 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 2112863830 is about 45965.8985553421. The cubic root of 2112863830 is about 1283.1886301491.

The spelling of 2112863830 in words is "two billion, one hundred twelve million, eight hundred sixty-three thousand, eight hundred thirty".