120218000998 has 4 divisors (see below), whose sum is σ = 180327001500. Its totient is φ = 60109000498.

The previous prime is 120218000941. The next prime is 120218000999. The reversal of 120218000998 is 899000812021.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 120218000998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120218000999) 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, 30054500248 + ... + 30054500251.

It is an arithmetic number, because the mean of its divisors is an integer number (45081750375).

Almost surely, 2^120218000998 is an apocalyptic number.

120218000998 is a deficient number, since it is larger than the sum of its proper divisors (60109000502).

120218000998 is an equidigital number, since it uses as much as digits as its factorization.

120218000998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60109000501.

The product of its (nonzero) digits is 20736, while the sum is 40.

The spelling of 120218000998 in words is "one hundred twenty billion, two hundred eighteen million, nine hundred ninety-eight", and thus it is an aban number.