12017098240 has 80 divisors (see below), whose sum is σ = 32929044192. Its totient is φ = 4120141824.

The previous prime is 12017098217. The next prime is 12017098241. The reversal of 12017098240 is 4289071021.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×12017098240² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12017098196 and 12017098205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12017098241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317379 + ... + 353218.

Almost surely, 2^12017098240 is an apocalyptic number.

12017098240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12017098240 is an abundant number, since it is smaller than the sum of its proper divisors (20911945952).

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

12017098240 is an frugal number, since it uses more digits than its factorization.

12017098240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670627 (or 670611 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The spelling of 12017098240 in words is "twelve billion, seventeen million, ninety-eight thousand, two hundred forty".