12011233344 has 224 divisors, whose sum is σ = 37347509760. Its totient is φ = 3367526400.

The previous prime is 12011233343. The next prime is 12011233357. The reversal of 12011233344 is 44333211021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (12011233343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1722024 + ... + 1728984.

Almost surely, 2^12011233344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12011233344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18673754880).

12011233344 is an abundant number, since it is smaller than the sum of its proper divisors (25336276416).

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

12011233344 is a wasteful number, since it uses less digits than its factorization.

12011233344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7049 (or 7039 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12011233344 its reverse (44333211021), we get a palindrome (56344444365).

The spelling of 12011233344 in words is "twelve billion, eleven million, two hundred thirty-three thousand, three hundred forty-four".