12233444557 has 16 divisors (see below), whose sum is σ = 12948318720. Its totient is φ = 11525857200.

The previous prime is 12233444507. The next prime is 12233444567. The reversal of 12233444557 is 75544433221.

It is a cyclic number.

It is not a de Polignac number, because 12233444557 - 2³¹ = 10085960909 is a prime.

It is a Duffinian number.

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 (12233444507) 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, 2783832 + ... + 2788222.

It is an arithmetic number, because the mean of its divisors is an integer number (809269920).

Almost surely, 2^12233444557 is an apocalyptic number.

It is an amenable number.

12233444557 is a deficient number, since it is larger than the sum of its proper divisors (714874163).

12233444557 is a wasteful number, since it uses less digits than its factorization.

12233444557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5184.

The product of its digits is 403200, while the sum is 40.

Adding to 12233444557 its reverse (75544433221), we get a palindrome (87777877778).

The spelling of 12233444557 in words is "twelve billion, two hundred thirty-three million, four hundred forty-four thousand, five hundred fifty-seven".