12228713542 has 8 divisors (see below), whose sum is σ = 18601423632. Its totient is φ = 6028239000.

The previous prime is 12228713537. The next prime is 12228713543. The reversal of 12228713542 is 24531782221.

12228713542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12228713543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43058709 + ... + 43058992.

It is an arithmetic number, because the mean of its divisors is an integer number (2325177954).

Almost surely, 2^12228713542 is an apocalyptic number.

12228713542 is a deficient number, since it is larger than the sum of its proper divisors (6372710090).

12228713542 is an equidigital number, since it uses as much as digits as its factorization.

12228713542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86117774.

The product of its digits is 53760, while the sum is 37.

The spelling of 12228713542 in words is "twelve billion, two hundred twenty-eight million, seven hundred thirteen thousand, five hundred forty-two".