12013224576 has 64 divisors (see below), whose sum is σ = 33297549120. Its totient is φ = 3830300672.

The previous prime is 12013224571. The next prime is 12013224611. The reversal of 12013224576 is 67542231021.

It is a tau number, because it is divible by the number of its divisors (64).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12013224571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671265 + ... + 688928.

It is an arithmetic number, because the mean of its divisors is an integer number (520274205).

Almost surely, 2^12013224576 is an apocalyptic number.

12013224576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12013224576 is an abundant number, since it is smaller than the sum of its proper divisors (21284324544).

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

12013224576 is a wasteful number, since it uses less digits than its factorization.

12013224576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360233 (or 1360221 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

Adding to 12013224576 its reverse (67542231021), we get a palindrome (79555455597).

The spelling of 12013224576 in words is "twelve billion, thirteen million, two hundred twenty-four thousand, five hundred seventy-six".