2002012043 has 2 divisors, whose sum is σ = 2002012044. Its totient is φ = 2002012042.

The previous prime is 2002012039. The next prime is 2002012057. The reversal of 2002012043 is 3402102002.

It is an a-pointer prime, because the next prime (2002012057) can be obtained adding 2002012043 to its sum of digits (14).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2002012043 - 2² = 2002012039 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002012093) 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 as a sum of consecutive naturals, namely, 1001006021 + 1001006022.

It is an arithmetic number, because the mean of its divisors is an integer number (1001006022).

Almost surely, 2^2002012043 is an apocalyptic number.

2002012043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002012043 is an equidigital number, since it uses as much as digits as its factorization.

2002012043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2002012043 is about 44743.8492197531. The cubic root of 2002012043 is about 1260.3434108466.

Adding to 2002012043 its reverse (3402102002), we get a palindrome (5404114045).

The spelling of 2002012043 in words is "two billion, two million, twelve thousand, forty-three".