1002002012243 has 2 divisors, whose sum is σ = 1002002012244. Its totient is φ = 1002002012242.

The previous prime is 1002002012191. The next prime is 1002002012269. The reversal of 1002002012243 is 3422102002001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1002002012243 - 2²⁶ = 1001934903379 is a prime.

It is a super-2 number, since 2×1002002012243² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1002002012443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501001006121 + 501001006122.

It is an arithmetic number, because the mean of its divisors is an integer number (501001006122).

Almost surely, 2^{1002002012243} is an apocalyptic number.

1002002012243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002002012243 is an equidigital number, since it uses as much as digits as its factorization.

1002002012243 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 1002002012243 its reverse (3422102002001), we get a palindrome (4424104014244).

The spelling of 1002002012243 in words is "one trillion, two billion, two million, twelve thousand, two hundred forty-three".