12468013346778 has 48 divisors (see below), whose sum is σ = 27440930506080. Its totient is φ = 3773787320160.

The previous prime is 12468013346777. The next prime is 12468013346827. The reversal of 12468013346778 is 87764331086421.

It is not an unprimeable number, because it can be changed into a prime (12468013346773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9372625 + ... + 10619892.

It is an arithmetic number, because the mean of its divisors is an integer number (571686052210).

Almost surely, 2^{12468013346778} is an apocalyptic number.

12468013346778 is an abundant number, since it is smaller than the sum of its proper divisors (14972917159302).

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

12468013346778 is a wasteful number, since it uses less digits than its factorization.

12468013346778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19993403 (or 19993392 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 60.

The spelling of 12468013346778 in words is "twelve trillion, four hundred sixty-eight billion, thirteen million, three hundred forty-six thousand, seven hundred seventy-eight".