12224577888 has 96 divisors (see below), whose sum is σ = 35733196800. Its totient is φ = 4065925248.

The previous prime is 12224577881. The next prime is 12224577899. The reversal of 12224577888 is 88877542221.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12224577881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384753 + ... + 415311.

It is an arithmetic number, because the mean of its divisors is an integer number (372220800).

Almost surely, 2^12224577888 is an apocalyptic number.

12224577888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12224577888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17866598400).

12224577888 is an abundant number, since it is smaller than the sum of its proper divisors (23508618912).

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

12224577888 is a wasteful number, since it uses less digits than its factorization.

12224577888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31041 (or 31027 counting only the distinct ones).

The product of its digits is 4014080, while the sum is 54.

The spelling of 12224577888 in words is "twelve billion, two hundred twenty-four million, five hundred seventy-seven thousand, eight hundred eighty-eight".