12140667318 has 16 divisors (see below), whose sum is σ = 26149129776. Its totient is φ = 3735589920.

The previous prime is 12140667311. The next prime is 12140667349. The reversal of 12140667318 is 81376604121.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140667311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77824713 + ... + 77824868.

It is an arithmetic number, because the mean of its divisors is an integer number (1634320611).

Almost surely, 2^12140667318 is an apocalyptic number.

12140667318 is an abundant number, since it is smaller than the sum of its proper divisors (14008462458).

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

12140667318 is a wasteful number, since it uses less digits than its factorization.

12140667318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155649599.

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 12140667318 in words is "twelve billion, one hundred forty million, six hundred sixty-seven thousand, three hundred eighteen".