2112312040 has 16 divisors (see below), whose sum is σ = 4752702180. Its totient is φ = 844924800.

The previous prime is 2112312031. The next prime is 2112312071. The reversal of 2112312040 is 402132112.

It can be written as a sum of positive squares in 2 ways, for example, as 2108830084 + 3481956 = 45922^2 + 1866^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26403861 + ... + 26403940.

Almost surely, 2^2112312040 is an apocalyptic number.

2112312040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112312040 is an abundant number, since it is smaller than the sum of its proper divisors (2640390140).

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

2112312040 is a wasteful number, since it uses less digits than its factorization.

2112312040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52807812 (or 52807808 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2112312040 is about 45959.8959964010. The cubic root of 2112312040 is about 1283.0769156930.

Adding to 2112312040 its reverse (402132112), we get a palindrome (2514444152).

The spelling of 2112312040 in words is "two billion, one hundred twelve million, three hundred twelve thousand, forty".