988654222112 has 54 divisors (see below), whose sum is σ = 1962253522593. Its totient is φ = 490336406272.

The previous prime is 988654222109. The next prime is 988654222159. The reversal of 988654222112 is 211222456889.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 981042706576 + 7611515536 = 990476^2 + 87244^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=703084.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 770579423 + ... + 770580705.

Almost surely, 2^988654222112 is an apocalyptic number.

It is an amenable number.

988654222112 is a deficient number, since it is larger than the sum of its proper divisors (973599300481).

988654222112 is an frugal number, since it uses more digits than its factorization.

988654222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850 (or 1422 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 50.

Multiplying 988654222112 by its sum of digits (50), we get a square (49432711105600 = 7030840²).

The spelling of 988654222112 in words is "nine hundred eighty-eight billion, six hundred fifty-four million, two hundred twenty-two thousand, one hundred twelve".