1012002121043 has 2 divisors, whose sum is σ = 1012002121044. Its totient is φ = 1012002121042.

The previous prime is 1012002121003. The next prime is 1012002121063. The reversal of 1012002121043 is 3401212002101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012002121043 - 2²² = 1011997926739 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1012002121003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506001060521 + 506001060522.

It is an arithmetic number, because the mean of its divisors is an integer number (506001060522).

Almost surely, 2^{1012002121043} is an apocalyptic number.

1012002121043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012002121043 is an equidigital number, since it uses as much as digits as its factorization.

1012002121043 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 17.

Adding to 1012002121043 its reverse (3401212002101), we get a palindrome (4413214123144).

The spelling of 1012002121043 in words is "one trillion, twelve billion, two million, one hundred twenty-one thousand, forty-three".