12400302224 has 20 divisors (see below), whose sum is σ = 24363976320. Its totient is φ = 6112824480.

The previous prime is 12400302193. The next prime is 12400302263. The reversal of 12400302224 is 42220300421.

It is a junction number, because it is equal to n+sod(n) for n = 12400302196 and 12400302205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5456744 + ... + 5459015.

It is an arithmetic number, because the mean of its divisors is an integer number (1218198816).

Almost surely, 2^12400302224 is an apocalyptic number.

It is an amenable number.

12400302224 is a deficient number, since it is larger than the sum of its proper divisors (11963674096).

12400302224 is a wasteful number, since it uses less digits than its factorization.

12400302224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10915838 (or 10915832 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 12400302224 its reverse (42220300421), we get a palindrome (54620602645).

The spelling of 12400302224 in words is "twelve billion, four hundred million, three hundred two thousand, two hundred twenty-four".