12084145240 has 64 divisors (see below), whose sum is σ = 28047967200. Its totient is φ = 4682170368.

The previous prime is 12084145223. The next prime is 12084145243. The reversal of 12084145240 is 4254148021.

It is a super-3 number, since 3×12084145240³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12084145243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317976 + ... + 353944.

Almost surely, 2^12084145240 is an apocalyptic number.

12084145240 is a gapful number since it is divisible by the number (10) 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 12084145240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14023983600).

12084145240 is an abundant number, since it is smaller than the sum of its proper divisors (15963821960).

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

12084145240 is a wasteful number, since it uses less digits than its factorization.

12084145240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36244 (or 36240 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The spelling of 12084145240 in words is "twelve billion, eighty-four million, one hundred forty-five thousand, two hundred forty".