12268436736 has 72 divisors (see below), whose sum is σ = 32671868320. Its totient is φ = 4086982656.

The previous prime is 12268436717. The next prime is 12268436737. The reversal of 12268436736 is 63763486221.

It is a super-3 number, since 3×12268436736³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12268436737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1595910 + ... + 1603578.

Almost surely, 2^12268436736 is an apocalyptic number.

12268436736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12268436736 is an abundant number, since it is smaller than the sum of its proper divisors (20403431584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12268436736 is an equidigital number, since it uses as much as digits as its factorization.

12268436736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9771 (or 9757 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 48.

The spelling of 12268436736 in words is "twelve billion, two hundred sixty-eight million, four hundred thirty-six thousand, seven hundred thirty-six".