12318140146 has 16 divisors (see below), whose sum is σ = 20195529984. Its totient is φ = 5600439504.

The previous prime is 12318140119. The next prime is 12318140147. The reversal of 12318140146 is 64104181321.

It is not an unprimeable number, because it can be changed into a prime (12318140147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3533890 + ... + 3537373.

It is an arithmetic number, because the mean of its divisors is an integer number (1262220624).

Almost surely, 2^12318140146 is an apocalyptic number.

12318140146 is a deficient number, since it is larger than the sum of its proper divisors (7877389838).

12318140146 is a wasteful number, since it uses less digits than its factorization.

12318140146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7071345.

The product of its (nonzero) digits is 4608, while the sum is 31.

The spelling of 12318140146 in words is "twelve billion, three hundred eighteen million, one hundred forty thousand, one hundred forty-six".