12444663142 has 8 divisors (see below), whose sum is σ = 18667838016. Its totient is φ = 6222050472.

The previous prime is 12444663031. The next prime is 12444663233. The reversal of 12444663142 is 24136644421.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79993 + ... + 176884.

It is an arithmetic number, because the mean of its divisors is an integer number (2333479752).

Almost surely, 2^12444663142 is an apocalyptic number.

12444663142 is a deficient number, since it is larger than the sum of its proper divisors (6223174874).

12444663142 is a wasteful number, since it uses less digits than its factorization.

12444663142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281102.

The product of its digits is 110592, while the sum is 37.

The spelling of 12444663142 in words is "twelve billion, four hundred forty-four million, six hundred sixty-three thousand, one hundred forty-two".