12012230401240 has 32 divisors (see below), whose sum is σ = 27028691465760. Its totient is φ = 4804683616000.

The previous prime is 12012230401147. The next prime is 12012230401279. The reversal of 12012230401240 is 4210403221021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5582236 + ... + 7428715.

It is an arithmetic number, because the mean of its divisors is an integer number (844646608305).

Almost surely, 2^{12012230401240} is an apocalyptic number.

12012230401240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012230401240 is an abundant number, since it is smaller than the sum of its proper divisors (15016461064520).

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

12012230401240 is a wasteful number, since it uses less digits than its factorization.

12012230401240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13034043 (or 13034039 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12012230401240 its reverse (4210403221021), we get a palindrome (16222633622261).

The spelling of 12012230401240 in words is "twelve trillion, twelve billion, two hundred thirty million, four hundred one thousand, two hundred forty".