12427724104 has 8 divisors (see below), whose sum is σ = 23301982710. Its totient is φ = 6213862048.

The previous prime is 12427724083. The next prime is 12427724107. The reversal of 12427724104 is 40142772421.

It can be written as a sum of positive squares in only one way, i.e., 9723932100 + 2703792004 = 98610^2 + 51998^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 12427724104.

It is not an unprimeable number, because it can be changed into a prime (12427724107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776732749 + ... + 776732764.

Almost surely, 2^12427724104 is an apocalyptic number.

It is an amenable number.

12427724104 is a deficient number, since it is larger than the sum of its proper divisors (10874258606).

12427724104 is a wasteful number, since it uses less digits than its factorization.

12427724104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553465519 (or 1553465515 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 34.

The spelling of 12427724104 in words is "twelve billion, four hundred twenty-seven million, seven hundred twenty-four thousand, one hundred four".