12144456398 has 8 divisors (see below), whose sum is σ = 18804319680. Its totient is φ = 5876349840.

The previous prime is 12144456397. The next prime is 12144456427. The reversal of 12144456398 is 89365444121.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144456391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97939103 + ... + 97939226.

It is an arithmetic number, because the mean of its divisors is an integer number (2350539960).

Almost surely, 2^12144456398 is an apocalyptic number.

12144456398 is a deficient number, since it is larger than the sum of its proper divisors (6659863282).

12144456398 is a wasteful number, since it uses less digits than its factorization.

12144456398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195878362.

The product of its digits is 829440, while the sum is 47.

The spelling of 12144456398 in words is "twelve billion, one hundred forty-four million, four hundred fifty-six thousand, three hundred ninety-eight".