10012002009979 has 2 divisors, whose sum is σ = 10012002009980. Its totient is φ = 10012002009978.

The previous prime is 10012002009937. The next prime is 10012002010027. The reversal of 10012002009979 is 97990020021001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10012002009979 is a prime.

It is not a weakly prime, because it can be changed into another prime (10012002009479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006001004989 + 5006001004990.

It is an arithmetic number, because the mean of its divisors is an integer number (5006001004990).

Almost surely, 2^{10012002009979} is an apocalyptic number.

10012002009979 is a deficient number, since it is larger than the sum of its proper divisors (1).

10012002009979 is an equidigital number, since it uses as much as digits as its factorization.

10012002009979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 40.

The spelling of 10012002009979 in words is "ten trillion, twelve billion, two million, nine thousand, nine hundred seventy-nine".