2312312112 has 60 divisors (see below), whose sum is σ = 7059563784. Its totient is φ = 700700160.

The previous prime is 2312312111. The next prime is 2312312113. The reversal of 2312312112 is 2112132132.

It is an interprime number because it is at equal distance from previous prime (2312312111) and next prime (2312312113).

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

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is not an unprimeable number, because it can be changed into a prime (2312312111) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 728313 + ... + 731480.

Almost surely, 2^2312312112 is an apocalyptic number.

2312312112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2312312112 is an abundant number, since it is smaller than the sum of its proper divisors (4747251672).

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

2312312112 is a wasteful number, since it uses less digits than its factorization.

2312312112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459818 (or 1459809 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 2312312112 is about 48086.5065480952. The cubic root of 2312312112 is about 1322.3573028903.

Adding to 2312312112 its reverse (2112132132), we get a palindrome (4424444244).

The spelling of 2312312112 in words is "two billion, three hundred twelve million, three hundred twelve thousand, one hundred twelve".