12282491008 has 16 divisors (see below), whose sum is σ = 24469025310. Its totient is φ = 6141245440.

The previous prime is 12282490993. The next prime is 12282491009. The reversal of 12282491008 is 80019428221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11493555264 + 788935744 = 107208^2 + 28088^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (12282491009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47978353 + ... + 47978608.

Almost surely, 2^12282491008 is an apocalyptic number.

It is an amenable number.

12282491008 is a deficient number, since it is larger than the sum of its proper divisors (12186534302).

12282491008 is an frugal number, since it uses more digits than its factorization.

12282491008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95956975 (or 95956963 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The spelling of 12282491008 in words is "twelve billion, two hundred eighty-two million, four hundred ninety-one thousand, eight".