12643303352 has 16 divisors (see below), whose sum is σ = 23707514160. Its totient is φ = 6321299584.

The previous prime is 12643303319. The next prime is 12643303367. The reversal of 12643303352 is 25330334621.

It is a congruent number.

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, 169568 + ... + 232464.

It is an arithmetic number, because the mean of its divisors is an integer number (1481719635).

Almost surely, 2^12643303352 is an apocalyptic number.

It is an amenable number.

12643303352 is a deficient number, since it is larger than the sum of its proper divisors (11064210808).

12643303352 is a wasteful number, since it uses less digits than its factorization.

12643303352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88030 (or 88026 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 32.

Adding to 12643303352 its reverse (25330334621), we get a palindrome (37973637973).

The spelling of 12643303352 in words is "twelve billion, six hundred forty-three million, three hundred three thousand, three hundred fifty-two".