12124404122 has 8 divisors (see below), whose sum is σ = 18201854196. Its totient is φ = 6057119392.

The previous prime is 12124404119. The next prime is 12124404151. The reversal of 12124404122 is 22140442121.

It can be written as a sum of positive squares in 2 ways, for example, as 10407876361 + 1716527761 = 102019^2 + 41431^2 .

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

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, 2538353 + ... + 2543124.

Almost surely, 2^12124404122 is an apocalyptic number.

12124404122 is a deficient number, since it is larger than the sum of its proper divisors (6077450074).

12124404122 is a wasteful number, since it uses less digits than its factorization.

12124404122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5082672.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 12124404122 its reverse (22140442121), we get a palindrome (34264846243).

The spelling of 12124404122 in words is "twelve billion, one hundred twenty-four million, four hundred four thousand, one hundred twenty-two".