10002012001999 has 2 divisors, whose sum is σ = 10002012002000. Its totient is φ = 10002012001998.

The previous prime is 10002012001991. The next prime is 10002012002029. The reversal of 10002012001999 is 99910021020001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10002012001999 - 2³ = 10002012001991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10002012001991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001006000999 + 5001006001000.

It is an arithmetic number, because the mean of its divisors is an integer number (5001006001000).

Almost surely, 2^{10002012001999} is an apocalyptic number.

10002012001999 is a deficient number, since it is larger than the sum of its proper divisors (1).

10002012001999 is an equidigital number, since it uses as much as digits as its factorization.

10002012001999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 34.

The spelling of 10002012001999 in words is "ten trillion, two billion, twelve million, one thousand, nine hundred ninety-nine".