10002012239 has 2 divisors, whose sum is σ = 10002012240. Its totient is φ = 10002012238.

The previous prime is 10002012233. The next prime is 10002012259. The reversal of 10002012239 is 93221020001.

It is an a-pointer prime, because the next prime (10002012259) can be obtained adding 10002012239 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10002012239 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10002012239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10002012233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001006119 + 5001006120.

It is an arithmetic number, because the mean of its divisors is an integer number (5001006120).

Almost surely, 2^10002012239 is an apocalyptic number.

10002012239 is a deficient number, since it is larger than the sum of its proper divisors (1).

10002012239 is an equidigital number, since it uses as much as digits as its factorization.

10002012239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The spelling of 10002012239 in words is "ten billion, two million, twelve thousand, two hundred thirty-nine".