2012042443 has 2 divisors, whose sum is σ = 2012042444. Its totient is φ = 2012042442.

The previous prime is 2012042437. The next prime is 2012042447. The reversal of 2012042443 is 3442402102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2012042443 - 2¹³ = 2012034251 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012042447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006021221 + 1006021222.

It is an arithmetic number, because the mean of its divisors is an integer number (1006021222).

Almost surely, 2^2012042443 is an apocalyptic number.

2012042443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012042443 is an equidigital number, since it uses as much as digits as its factorization.

2012042443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2012042443 is about 44855.7960914752. The cubic root of 2012042443 is about 1262.4447459790. Note that the first 3 decimals are identical.

Adding to 2012042443 its reverse (3442402102), we get a palindrome (5454444545).

The spelling of 2012042443 in words is "two billion, twelve million, forty-two thousand, four hundred forty-three".