12234444456 has 32 divisors (see below), whose sum is σ = 32938889760. Its totient is φ = 3764444352.

The previous prime is 12234444433. The next prime is 12234444473. The reversal of 12234444456 is 65444443221.

It is a super-2 number, since 2×12234444456² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19606170 + ... + 19606793.

It is an arithmetic number, because the mean of its divisors is an integer number (1029340305).

Almost surely, 2^12234444456 is an apocalyptic number.

It is an amenable number.

12234444456 is an abundant number, since it is smaller than the sum of its proper divisors (20704445304).

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

12234444456 is a wasteful number, since it uses less digits than its factorization.

12234444456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39212985 (or 39212981 counting only the distinct ones).

The product of its digits is 368640, while the sum is 39.

Adding to 12234444456 its reverse (65444443221), we get a palindrome (77678887677).

The spelling of 12234444456 in words is "twelve billion, two hundred thirty-four million, four hundred forty-four thousand, four hundred fifty-six".