12180478273823 has 8 divisors (see below), whose sum is σ = 12439749504000. Its totient is φ = 11921211715320.

The previous prime is 12180478273807. The next prime is 12180478273867. The reversal of 12180478273823 is 32837287408121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12180478273823 - 2⁴ = 12180478273807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12180478273123) 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, 4379678 + ... + 6598676.

It is an arithmetic number, because the mean of its divisors is an integer number (1554968688000).

Almost surely, 2^{12180478273823} is an apocalyptic number.

12180478273823 is a deficient number, since it is larger than the sum of its proper divisors (259271230177).

12180478273823 is a wasteful number, since it uses less digits than its factorization.

12180478273823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2335837.

The product of its (nonzero) digits is 7225344, while the sum is 56.

The spelling of 12180478273823 in words is "twelve trillion, one hundred eighty billion, four hundred seventy-eight million, two hundred seventy-three thousand, eight hundred twenty-three".