2012223243 has 4 divisors (see below), whose sum is σ = 2682964328. Its totient is φ = 1341482160.

The previous prime is 2012223209. The next prime is 2012223271. The reversal of 2012223243 is 3423222102.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2012223243 - 2²⁴ = 1995446027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012222243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335370538 + ... + 335370543.

It is an arithmetic number, because the mean of its divisors is an integer number (670741082).

Almost surely, 2^2012223243 is an apocalyptic number.

2012223243 is a deficient number, since it is larger than the sum of its proper divisors (670741085).

2012223243 is an equidigital number, since it uses as much as digits as its factorization.

2012223243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670741084.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2012223243 is about 44857.8113933348. The cubic root of 2012223243 is about 1262.4825588284.

Adding to 2012223243 its reverse (3423222102), we get a palindrome (5435445345).

It can be divided in two parts, 20122 and 23243, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 2012223243 in words is "two billion, twelve million, two hundred twenty-three thousand, two hundred forty-three".