10402012043 has 2 divisors, whose sum is σ = 10402012044. Its totient is φ = 10402012042.

The previous prime is 10402012031. The next prime is 10402012063. The reversal of 10402012043 is 34021020401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10402012043 - 2⁶ = 10402011979 is a prime.

It is not a weakly prime, because it can be changed into another prime (10402012013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5201006021 + 5201006022.

It is an arithmetic number, because the mean of its divisors is an integer number (5201006022).

Almost surely, 2^10402012043 is an apocalyptic number.

10402012043 is a deficient number, since it is larger than the sum of its proper divisors (1).

10402012043 is an equidigital number, since it uses as much as digits as its factorization.

10402012043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 10402012043 its reverse (34021020401), we get a palindrome (44423032444).

The spelling of 10402012043 in words is "ten billion, four hundred two million, twelve thousand, forty-three".