12154882378 has 8 divisors (see below), whose sum is σ = 18451990368. Its totient is φ = 6004218924.

The previous prime is 12154882373. The next prime is 12154882379. The reversal of 12154882378 is 87328845121.

It is a happy number.

12154882378 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 not an unprimeable number, because it can be changed into a prime (12154882373) 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, 36610926 + ... + 36611257.

It is an arithmetic number, because the mean of its divisors is an integer number (2306498796).

Almost surely, 2^12154882378 is an apocalyptic number.

12154882378 is a deficient number, since it is larger than the sum of its proper divisors (6297107990).

12154882378 is an equidigital number, since it uses as much as digits as its factorization.

12154882378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73222268.

The product of its digits is 860160, while the sum is 49.

The spelling of 12154882378 in words is "twelve billion, one hundred fifty-four million, eight hundred eighty-two thousand, three hundred seventy-eight".