12237443078 has 8 divisors (see below), whose sum is σ = 20978473872. Its totient is φ = 5244618456.

The previous prime is 12237443077. The next prime is 12237443083. The reversal of 12237443078 is 87034473221.

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

It is a super-2 number, since 2×12237443078² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12237443077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437051525 + ... + 437051552.

It is an arithmetic number, because the mean of its divisors is an integer number (2622309234).

Almost surely, 2^12237443078 is an apocalyptic number.

12237443078 is a deficient number, since it is larger than the sum of its proper divisors (8741030794).

12237443078 is an equidigital number, since it uses as much as digits as its factorization.

12237443078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874103086.

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 12237443078 in words is "twelve billion, two hundred thirty-seven million, four hundred forty-three thousand, seventy-eight".