18908385120002 has 16 divisors (see below), whose sum is σ = 32434395762240. Its totient is φ = 8098588305168.

The previous prime is 18908385119999. The next prime is 18908385120013. The reversal of 18908385120002 is 20002158380981.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417086333 + ... + 417131664.

It is an arithmetic number, because the mean of its divisors is an integer number (2027149735140).

Almost surely, 2^{18908385120002} is an apocalyptic number.

18908385120002 is a deficient number, since it is larger than the sum of its proper divisors (13526010642238).

18908385120002 is a wasteful number, since it uses less digits than its factorization.

18908385120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834219625.

The product of its (nonzero) digits is 276480, while the sum is 47.

The spelling of 18908385120002 in words is "eighteen trillion, nine hundred eight billion, three hundred eighty-five million, one hundred twenty thousand, two".