12140678448 has 30 divisors (see below), whose sum is σ = 33977038004. Its totient is φ = 4046892768.

The previous prime is 12140678423. The next prime is 12140678453. The reversal of 12140678448 is 84487604121.

12140678448 is a `hidden beast` number, since 1 + 2 + 140 + 67 + 8 + 448 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42154990 + ... + 42155277.

Almost surely, 2^12140678448 is an apocalyptic number.

12140678448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12140678448 is an abundant number, since it is smaller than the sum of its proper divisors (21836359556).

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

12140678448 is a wasteful number, since it uses less digits than its factorization.

12140678448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84310281 (or 84310272 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 12140678448 in words is "twelve billion, one hundred forty million, six hundred seventy-eight thousand, four hundred forty-eight".