12140678468 has 6 divisors (see below), whose sum is σ = 21246187326. Its totient is φ = 6070339232.

The previous prime is 12140678453. The next prime is 12140678489. The reversal of 12140678468 is 86487604121.

It can be written as a sum of positive squares in only one way, i.e., 7633167424 + 4507511044 = 87368^2 + 67138^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1517584805 + ... + 1517584812.

It is an arithmetic number, because the mean of its divisors is an integer number (3541031221).

Almost surely, 2^12140678468 is an apocalyptic number.

It is an amenable number.

12140678468 is a deficient number, since it is larger than the sum of its proper divisors (9105508858).

12140678468 is a wasteful number, since it uses less digits than its factorization.

12140678468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035169621 (or 3035169619 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The spelling of 12140678468 in words is "twelve billion, one hundred forty million, six hundred seventy-eight thousand, four hundred sixty-eight".