12153228885 has 24 divisors (see below), whose sum is σ = 24074968320. Its totient is φ = 5555761632.

The previous prime is 12153228881. The next prime is 12153228949. The reversal of 12153228885 is 58882235121.

12153228885 is a `hidden beast` number, since 12 + 1 + 532 + 28 + 8 + 85 = 666.

12153228885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12153228885 - 2² = 12153228881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 12153228885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12153228881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19290525 + ... + 19291154.

It is an arithmetic number, because the mean of its divisors is an integer number (1003123680).

Almost surely, 2^12153228885 is an apocalyptic number.

12153228885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12153228885 is a deficient number, since it is larger than the sum of its proper divisors (11921739435).

12153228885 is a wasteful number, since it uses less digits than its factorization.

12153228885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38581697 (or 38581694 counting only the distinct ones).

The product of its digits is 307200, while the sum is 45.

The spelling of 12153228885 in words is "twelve billion, one hundred fifty-three million, two hundred twenty-eight thousand, eight hundred eighty-five".