12267302643 has 24 divisors (see below), whose sum is σ = 17849866320. Its totient is φ = 8118167040.

The previous prime is 12267302627. The next prime is 12267302647. The reversal of 12267302643 is 34620376221.

12267302643 is a `hidden beast` number, since 1 + 2 + 2 + 6 + 7 + 3 + 0 + 2 + 643 = 666.

It is not a de Polignac number, because 12267302643 - 2⁴ = 12267302627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12267302598 and 12267302607.

It is not an unprimeable number, because it can be changed into a prime (12267302647) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 948903 + ... + 961743.

It is an arithmetic number, because the mean of its divisors is an integer number (743744430).

Almost surely, 2^12267302643 is an apocalyptic number.

12267302643 is a deficient number, since it is larger than the sum of its proper divisors (5582563677).

12267302643 is a wasteful number, since it uses less digits than its factorization.

12267302643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13619 (or 13616 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

Adding to 12267302643 its reverse (34620376221), we get a palindrome (46887678864).

The spelling of 12267302643 in words is "twelve billion, two hundred sixty-seven million, three hundred two thousand, six hundred forty-three".