2154232112 has 20 divisors (see below), whose sum is σ = 4419344376. Its totient is φ = 1013756160.

The previous prime is 2154232109. The next prime is 2154232123. The reversal of 2154232112 is 2112324512.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3959714 + ... + 3960257.

Almost surely, 2^2154232112 is an apocalyptic number.

It is an amenable number.

2154232112 is an abundant number, since it is smaller than the sum of its proper divisors (2265112264).

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

2154232112 is a wasteful number, since it uses less digits than its factorization.

2154232112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7919996 (or 7919990 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 2154232112 is about 46413.7060791314. The cubic root of 2154232112 is about 1291.5091829662.

Adding to 2154232112 its reverse (2112324512), we get a palindrome (4266556624).

The spelling of 2154232112 in words is "two billion, one hundred fifty-four million, two hundred thirty-two thousand, one hundred twelve".