2012331243 has 32 divisors (see below), whose sum is σ = 2962753024. Its totient is φ = 1207084032.

The previous prime is 2012331229. The next prime is 2012331263. The reversal of 2012331243 is 3421332102.

It is not a de Polignac number, because 2012331243 - 2¹⁰ = 2012330219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012331263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1127730 + ... + 1129512.

It is an arithmetic number, because the mean of its divisors is an integer number (92586032).

Almost surely, 2^2012331243 is an apocalyptic number.

2012331243 is a deficient number, since it is larger than the sum of its proper divisors (950421781).

2012331243 is a wasteful number, since it uses less digits than its factorization.

2012331243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2012331243 is about 44859.0151808976. The cubic root of 2012331243 is about 1262.5051450694.

Adding to 2012331243 its reverse (3421332102), we get a palindrome (5433663345).

The spelling of 2012331243 in words is "two billion, twelve million, three hundred thirty-one thousand, two hundred forty-three".