12402303112 has 8 divisors (see below), whose sum is σ = 23254318350. Its totient is φ = 6201151552.

The previous prime is 12402303103. The next prime is 12402303113. The reversal of 12402303112 is 21130320421.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8459216676 + 3943086436 = 91974^2 + 62794^2 .

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 12402303112.

It is not an unprimeable number, because it can be changed into a prime (12402303113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775143937 + ... + 775143952.

Almost surely, 2^12402303112 is an apocalyptic number.

It is an amenable number.

12402303112 is a deficient number, since it is larger than the sum of its proper divisors (10852015238).

12402303112 is a wasteful number, since it uses less digits than its factorization.

12402303112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550287895 (or 1550287891 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12402303112 its reverse (21130320421), we get a palindrome (33532623533).

The spelling of 12402303112 in words is "twelve billion, four hundred two million, three hundred three thousand, one hundred twelve".