2112001340 has 12 divisors (see below), whose sum is σ = 4435202856. Its totient is φ = 844800528.

The previous prime is 2112001327. The next prime is 2112001391. The reversal of 2112001340 is 431002112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52800014 + ... + 52800053.

It is an arithmetic number, because the mean of its divisors is an integer number (369600238).

Almost surely, 2^2112001340 is an apocalyptic number.

2112001340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112001340 is an abundant number, since it is smaller than the sum of its proper divisors (2323201516).

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

2112001340 is a wasteful number, since it uses less digits than its factorization.

2112001340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105600076 (or 105600074 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2112001340 is about 45956.5157513056. The cubic root of 2112001340 is about 1283.0140033427.

Adding to 2112001340 its reverse (431002112), we get a palindrome (2543003452).

The spelling of 2112001340 in words is "two billion, one hundred twelve million, one thousand, three hundred forty".