12240301918 has 24 divisors (see below), whose sum is σ = 19890990288. Its totient is φ = 5646655872.

The previous prime is 12240301841. The next prime is 12240301963. The reversal of 12240301918 is 81910304221.

It is a self number, because there is not a number n which added to its sum of digits gives 12240301918.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 809455 + ... + 824437.

It is an arithmetic number, because the mean of its divisors is an integer number (828791262).

Almost surely, 2^12240301918 is an apocalyptic number.

12240301918 is a deficient number, since it is larger than the sum of its proper divisors (7650688370).

12240301918 is a wasteful number, since it uses less digits than its factorization.

12240301918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17428 (or 17415 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 12240301918 in words is "twelve billion, two hundred forty million, three hundred one thousand, nine hundred eighteen".