9999912002002 has 64 divisors (see below), whose sum is σ = 16794095391360. Its totient is φ = 4435465112064.

The previous prime is 9999912001993. The next prime is 9999912002063. The reversal of 9999912002002 is 2002002199999.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 415905793 + ... + 415929835.

It is an arithmetic number, because the mean of its divisors is an integer number (262407740490).

Almost surely, 2^{9999912002002} is an apocalyptic number.

9999912002002 is a deficient number, since it is larger than the sum of its proper divisors (6794183389358).

9999912002002 is a wasteful number, since it uses less digits than its factorization.

9999912002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29387.

The product of its (nonzero) digits is 472392, while the sum is 52.

The spelling of 9999912002002 in words is "nine trillion, nine hundred ninety-nine billion, nine hundred twelve million, two thousand, two".