12333444456778 has 16 divisors (see below), whose sum is σ = 18952121853000. Its totient is φ = 6016082118400.

The previous prime is 12333444456769. The next prime is 12333444456779. The reversal of 12333444456778 is 87765444433321.

It is a happy number.

12333444456778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9338665381929 + 2994779074849 = 3055923^2 + 1730543^2 .

It is a super-3 number, since 3×12333444456778³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (12333444456779) 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, 756403 + ... + 5023846.

Almost surely, 2^{12333444456778} is an apocalyptic number.

12333444456778 is a deficient number, since it is larger than the sum of its proper divisors (6618677396222).

12333444456778 is a wasteful number, since it uses less digits than its factorization.

12333444456778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5806313.

The product of its digits is 162570240, while the sum is 61.

The spelling of 12333444456778 in words is "twelve trillion, three hundred thirty-three billion, four hundred forty-four million, four hundred fifty-six thousand, seven hundred seventy-eight".