12234555778 has 8 divisors (see below), whose sum is σ = 18378705168. Its totient is φ = 6108320724.

The previous prime is 12234555763. The next prime is 12234555787. The reversal of 12234555778 is 87755543221.

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

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4476876 + ... + 4479607.

It is an arithmetic number, because the mean of its divisors is an integer number (2297338146).

Almost surely, 2^12234555778 is an apocalyptic number.

12234555778 is a deficient number, since it is larger than the sum of its proper divisors (6144149390).

12234555778 is an equidigital number, since it uses as much as digits as its factorization.

12234555778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8957168.

The product of its digits is 2352000, while the sum is 49.

The spelling of 12234555778 in words is "twelve billion, two hundred thirty-four million, five hundred fifty-five thousand, seven hundred seventy-eight".