12234444557 has 8 divisors (see below), whose sum is σ = 12544543872. Its totient is φ = 11926420000.

The previous prime is 12234444517. The next prime is 12234444611. The reversal of 12234444557 is 75544443221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12234444557 - 2¹⁶ = 12234379021 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 (12234444517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506744 + ... + 530337.

It is an arithmetic number, because the mean of its divisors is an integer number (1568067984).

Almost surely, 2^12234444557 is an apocalyptic number.

It is an amenable number.

12234444557 is a deficient number, since it is larger than the sum of its proper divisors (310099315).

12234444557 is a wasteful number, since it uses less digits than its factorization.

12234444557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037379.

The product of its digits is 537600, while the sum is 41.

Adding to 12234444557 its reverse (75544443221), we get a palindrome (87778887778).

The spelling of 12234444557 in words is "twelve billion, two hundred thirty-four million, four hundred forty-four thousand, five hundred fifty-seven".