2012445143 has 2 divisors, whose sum is σ = 2012445144. Its totient is φ = 2012445142.

The previous prime is 2012445121. The next prime is 2012445179. The reversal of 2012445143 is 3415442102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2012445143 - 2¹² = 2012441047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012445943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006222571 + 1006222572.

It is an arithmetic number, because the mean of its divisors is an integer number (1006222572).

Almost surely, 2^2012445143 is an apocalyptic number.

2012445143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012445143 is an equidigital number, since it uses as much as digits as its factorization.

2012445143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2012445143 is about 44860.2846959312. The cubic root of 2012445143 is about 1262.5289643128.

Adding to 2012445143 its reverse (3415442102), we get a palindrome (5427887245).

The spelling of 2012445143 in words is "two billion, twelve million, four hundred forty-five thousand, one hundred forty-three".