2012120343 has 12 divisors (see below), whose sum is σ = 2906910240. Its totient is φ = 1341176256.

The previous prime is 2012120329. The next prime is 2012120351. The reversal of 2012120343 is 3430212102.

2012120343 is a `hidden beast` number, since 201 + 2 + 120 + 343 = 666.

It is not a de Polignac number, because 2012120343 - 2¹⁷ = 2011989271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012120393) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 45138 + ... + 77856.

It is an arithmetic number, because the mean of its divisors is an integer number (242242520).

Almost surely, 2^2012120343 is an apocalyptic number.

2012120343 is a deficient number, since it is larger than the sum of its proper divisors (894789897).

2012120343 is a wasteful number, since it uses less digits than its factorization.

2012120343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39558 (or 39555 counting only the distinct ones).

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

The square root of 2012120343 is about 44856.6644212429. The cubic root of 2012120343 is about 1262.4610384081.

Adding to 2012120343 its reverse (3430212102), we get a palindrome (5442332445).

The spelling of 2012120343 in words is "two billion, twelve million, one hundred twenty thousand, three hundred forty-three".