12000310421440 has 112 divisors (see below), whose sum is σ = 31612598175744. Its totient is φ = 4302287897600.

The previous prime is 12000310421431. The next prime is 12000310421447. The reversal of 12000310421440 is 4412401300021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000310421447) 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, 23758384 + ... + 24258223.

Almost surely, 2^{12000310421440} is an apocalyptic number.

12000310421440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000310421440 is an abundant number, since it is smaller than the sum of its proper divisors (19612287754304).

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

12000310421440 is a wasteful number, since it uses less digits than its factorization.

12000310421440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48016706 (or 48016696 counting only the distinct ones).

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

Adding to 12000310421440 its reverse (4412401300021), we get a palindrome (16412711721461).

The spelling of 12000310421440 in words is "twelve trillion, three hundred ten million, four hundred twenty-one thousand, four hundred forty".