12098550888 has 96 divisors (see below), whose sum is σ = 34725679560. Its totient is φ = 3792199680.

The previous prime is 12098550869. The next prime is 12098550889. The reversal of 12098550888 is 88805589021.

It is a happy number.

12098550888 is a `hidden beast` number, since 1 + 2 + 0 + 9 + 8 + 550 + 8 + 88 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 10753275204 + 1345275684 = 103698^2 + 36678^2 .

It is a super-3 number, since 3×12098550888³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12098550889) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1583718 + ... + 1591338.

Almost surely, 2^12098550888 is an apocalyptic number.

12098550888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12098550888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17362839780).

12098550888 is an abundant number, since it is smaller than the sum of its proper divisors (22627128672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12098550888 is a wasteful number, since it uses less digits than its factorization.

12098550888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8947 (or 8940 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 54.

The spelling of 12098550888 in words is "twelve billion, ninety-eight million, five hundred fifty thousand, eight hundred eighty-eight".