12355066272 has 48 divisors (see below), whose sum is σ = 33550403040. Its totient is φ = 3976342272.

The previous prime is 12355066267. The next prime is 12355066279. The reversal of 12355066272 is 27266055321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 12355066272.

It is not an unprimeable number, because it can be changed into a prime (12355066279) 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, 2216158 + ... + 2221725.

It is an arithmetic number, because the mean of its divisors is an integer number (698966730).

Almost surely, 2^12355066272 is an apocalyptic number.

12355066272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12355066272 is an abundant number, since it is smaller than the sum of its proper divisors (21195336768).

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

12355066272 is a wasteful number, since it uses less digits than its factorization.

12355066272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4437925 (or 4437917 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 12355066272 in words is "twelve billion, three hundred fifty-five million, sixty-six thousand, two hundred seventy-two".