2112320232 has 144 divisors (see below), whose sum is σ = 6459163620. Its totient is φ = 622702080.

The previous prime is 2112320167. The next prime is 2112320257. The reversal of 2112320232 is 2320232112.

2112320232 is a `hidden beast` number, since 2 + 112 + 320 + 232 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2067884676 + 44435556 = 45474^2 + 6666^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 319068 + ... + 325620.

Almost surely, 2^2112320232 is an apocalyptic number.

2112320232 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 2112320232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3229581810).

2112320232 is an abundant number, since it is smaller than the sum of its proper divisors (4346843388).

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

2112320232 is a wasteful number, since it uses less digits than its factorization.

2112320232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6624 (or 6606 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2112320232 is about 45959.9851174911. The cubic root of 2112320232 is about 1283.0785743736.

Adding to 2112320232 its reverse (2320232112), we get a palindrome (4432552344).

The spelling of 2112320232 in words is "two billion, one hundred twelve million, three hundred twenty thousand, two hundred thirty-two".