12142447768 has 48 divisors (see below), whose sum is σ = 25701409440. Its totient is φ = 5370108480.

The previous prime is 12142447763. The next prime is 12142447769. The reversal of 12142447768 is 86774424121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12142447763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133696 + ... + 205327.

It is an arithmetic number, because the mean of its divisors is an integer number (535446030).

Almost surely, 2^12142447768 is an apocalyptic number.

It is an amenable number.

12142447768 is an abundant number, since it is smaller than the sum of its proper divisors (13558961672).

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

12142447768 is a wasteful number, since it uses less digits than its factorization.

12142447768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339088 (or 339073 counting only the distinct ones).

The product of its digits is 602112, while the sum is 46.

The spelling of 12142447768 in words is "twelve billion, one hundred forty-two million, four hundred forty-seven thousand, seven hundred sixty-eight".