12002434240 has 28 divisors (see below), whose sum is σ = 28580797296. Its totient is φ = 4800973568.

The previous prime is 12002434217. The next prime is 12002434261. The reversal of 12002434240 is 4243420021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18753484 + ... + 18754123.

Almost surely, 2^12002434240 is an apocalyptic number.

12002434240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002434240 is an abundant number, since it is smaller than the sum of its proper divisors (16578363056).

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

12002434240 is an equidigital number, since it uses as much as digits as its factorization.

12002434240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37507624 (or 37507614 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 12002434240 its reverse (4243420021), we get a palindrome (16245854261).

The spelling of 12002434240 in words is "twelve billion, two million, four hundred thirty-four thousand, two hundred forty".